Is every quadrilateral is a rectangle true or false?

Is every quadrilateral is a rectangle true or false?
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From the following, which type of element is not two dimensional? a.Tetrahedron b.Quadrilateral c.Parallelogram d.Rectangle

Description : From the following, which type of element is not two dimensional? a.Tetrahedron b.Quadrilateral c.Parallelogram d.Rectangle

Last Answer : a.Tetrahedron

3. ABCD is a rectangle and P, Q, R and S are mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rhombus. -Maths 9th

Description : 3. ABCD is a rectangle and P, Q, R and S are mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rhombus. -Maths 9th

Last Answer : Solution: Given in the question, ABCD is a rectangle and P, Q, R and S are mid-points of the sides AB, BC, CD and DA respectively. Construction, Join AC and BD. To Prove, PQRS is a rhombus. Proof: In ΔABC P and Q ... (ii), (iii), (iv) and (v), PQ = QR = SR = PS So, PQRS is a rhombus. Hence Proved

2. ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rectangle. -Maths 9th

Description : 2. ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rectangle. -Maths 9th

Last Answer : Solution: Given in the question, ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively. To Prove, PQRS is a rectangle. Construction, Join AC and BD. Proof: In ΔDRS and ... , In PQRS, RS = PQ and RQ = SP from (i) and (ii) ∠Q = 90° , PQRS is a rectangle.

The quadrilateral formed by joining the mid-points of the sides of a quadrilateral PQRS, taken in order, is a rectangle, if -Maths 9th

Description : The quadrilateral formed by joining the mid-points of the sides of a quadrilateral PQRS, taken in order, is a rectangle, if -Maths 9th

Last Answer : According to question the mid-points of the sides of a quadrilateral PQRS, taken in order, is a rectangle,

Prove that the quadrilateral formed by the bisectors of the angles of a parallelogram is a rectangle. -Maths 9th

Description : Prove that the quadrilateral formed by the bisectors of the angles of a parallelogram is a rectangle. -Maths 9th

Last Answer : Given Let ABCD be a parallelogram and AP, BR, CR, be are the bisectors of ∠A, ∠B, ∠C and ∠D, respectively. To prove Quadrilateral PQRS is a rectangle. Proof Since, ABCD is a parallelogram, then DC ... and ∠PSR = 90° Thus, PQRS is a quadrilateral whose each angle is 90°. Hence, PQRS is a rectangle.

The quadrilateral formed by joining the mid-points of the sides of a quadrilateral PQRS, taken in order, is a rectangle, if -Maths 9th

Description : The quadrilateral formed by joining the mid-points of the sides of a quadrilateral PQRS, taken in order, is a rectangle, if -Maths 9th

Last Answer : According to question the mid-points of the sides of a quadrilateral PQRS, taken in order, is a rectangle,

Prove that the quadrilateral formed by the bisectors of the angles of a parallelogram is a rectangle. -Maths 9th

Description : Prove that the quadrilateral formed by the bisectors of the angles of a parallelogram is a rectangle. -Maths 9th

Last Answer : Given Let ABCD be a parallelogram and AP, BR, CR, be are the bisectors of ∠A, ∠B, ∠C and ∠D, respectively. To prove Quadrilateral PQRS is a rectangle. Proof Since, ABCD is a parallelogram, then DC ... and ∠PSR = 90° Thus, PQRS is a quadrilateral whose each angle is 90°. Hence, PQRS is a rectangle.

Two parallel lines l and m are intersected by a transversal p (see Fig. 8.46). Show that the quadrilateral formed by the bisectors of interior angles is a rectangle. -Maths 9th

Description : Two parallel lines l and m are intersected by a transversal p (see Fig. 8.46). Show that the quadrilateral formed by the bisectors of interior angles is a rectangle. -Maths 9th

Last Answer : Solution :-

If diagonals of a cyclic quadrilateral are diameters of the circle through the vertices of the quadrilateral,prove that it is a rectangle. -Maths 9th

Description : If diagonals of a cyclic quadrilateral are diameters of the circle through the vertices of the quadrilateral,prove that it is a rectangle. -Maths 9th

Last Answer : Solution :- Let, ABCD be a cyclic quadrilateral such that its diagonal AC and BD are the diameters of the circle though the vertices A,B,C and D. As angle in a semi-circle is 900 ∴ ∠ABC = 900 and ∠ADC = 900 ∠DAB = 900 ... Hence, ABCD is a rectangle.

ABCD is a rectangle and p q r s are the mid points of the side AB BC CD AND DA respectively. Show that the quadrilateral PQRS is a rhombus -Maths 9th

Description : ABCD is a rectangle and p q r s are the mid points of the side AB BC CD AND DA respectively. Show that the quadrilateral PQRS is a rhombus -Maths 9th

Last Answer : This answer was deleted by our moderators...

If ABCD is a rectangle and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively, then quadrilateral PQRS is a rhombus. -Maths 9th

Description : If ABCD is a rectangle and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively, then quadrilateral PQRS is a rhombus. -Maths 9th

Last Answer : Here, we are joining A and C. In ΔABC P is the mid point of AB Q is the mid point of BC PQ∣∣AC [Line segments joining the mid points of two sides of a triangle is parallel to AC(third side) and ... RS=PS=RQ[All sides are equal] ∴ PQRS is a parallelogram with all sides equal ∴ So PQRS is a rhombus.

Let ABCD be a cyclic quadrilateral. Show that the incentres of the triangles ABC, BCD, CDA and DAB form a rectangle. -Maths 9th

Description : Let ABCD be a cyclic quadrilateral. Show that the incentres of the triangles ABC, BCD, CDA and DAB form a rectangle. -Maths 9th

Last Answer : answer:

Is the only quadrilateral with 2 lines of symmetry a rectangle?

Description : Is the only quadrilateral with 2 lines of symmetry a rectangle?

Last Answer : Feel Free to Answer

If a quadrilateral is a square then it is a rectangle?

Description : If a quadrilateral is a square then it is a rectangle?

Last Answer : Need answer

If a circle is circumscribed about a parallelogram the parallelogram must be a rectangle. True or False?

Description : If a circle is circumscribed about a parallelogram the parallelogram must be a rectangle. True or False?

Last Answer : 1

Is every quadrilateral with four congruent sides of a square?

Description : Is every quadrilateral with four congruent sides of a square?

Last Answer : No because a rhombus has 4 congruent sides but it is not asquare

Diagonals of a rectangle are equal and perpendicular. Is this statement true ? -Maths 9th

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Last Answer : No, diagonals of a rectangle are equal but need not be perpendicular.

Diagonals of a rectangle are equal and perpendicular. Is this statement true ? -Maths 9th

Description : Diagonals of a rectangle are equal and perpendicular. Is this statement true ? -Maths 9th

Last Answer : No, diagonals of a rectangle are equal but need not be perpendicular.

True or false: Someone from every religion/culture/thought group has lived a great and rewarding life.

Description : True or false: Someone from every religion/culture/thought group has lived a great and rewarding life.

Last Answer : Absolutely. Why wouldn’t they be able to?

Are the below statements True or False? 1. The Washington Monument is in Washington D.C.?2. The Pacific Ocean is on the east coast of North America?3. There are 12 months in every Gregorian year?4. The color red is a primary color?5. Lincoln was the the third president of the United States? -Riddles

Description : Are the below statements True or False? 1. The Washington Monument is in Washington D.C.?2. The Pacific Ocean is on the east coast of North America?3. There are 12 months in every Gregorian year?4. The color red is a primary color?5. Lincoln was the the third president of the United States? -Riddles

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Description : The planning and scoping should be such that the project manager can assess every  stage of the project and the quality of the deliverable of the project at every stage. (True/False)

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Translate the following statement into FOL. “For every a, if a is a PhD student, then a has a master degree” a) ∀ a PhD(a) -> Master(a) b) ∃ a PhD(a) -> Master(a) c) A is true, B is true d) A is false, B is false

Description : Translate the following statement into FOL. “For every a, if a is a PhD student, then a has a master degree” a) ∀ a PhD(a) -> Master(a) b) ∃ a PhD(a) -> Master(a) c) A is true, B is true d) A is false, B is false

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Regression testing should be performed: i. every week ii. after the software has changed iii. as often as possible iv. when the environment has changed v. when the project manager says a) i & ii are true, iii, iv & v are false b) ii, iii & iv are true, i & v are false c) ii & iv are true, i, iii & v are false d) ii is true, i, iii, iv & v are false

Description : Regression testing should be performed: i. every week ii. after the software has changed iii. as often as possible iv. when the environment has changed v. when the project manager says a) i & ii are true, iii, iv & v are ... iv are true, i, iii & v are false d) ii is true, i, iii, iv & v are false

Last Answer : c) ii & iv are true, i, iii & v are false

Answer the following S. No Statement Chose the correct answer OR Fill-in-the-blanks 1 Fyrite measures CO2, O2 and SO2 True/False 2 Ultrasonic Flow Meter uses the principle of____& ____ Fill in the blanks 3 Non Contact Infrared Thermometer cannot measure temperature of objects placed in hazardous places True/False 4 To measure the RPM of a Flywheel, ______ type of RPM meter is used and for a visible shaft-end _______ type of RPM meter is used. Fill in the blanks 5 In a switch yard, _____ instrument is used to identify the loose joints and terminations Fill in the blanks 6 Every Designated Consumer shall have its first energy audit conducted by ________ Energy Auditor within ______ months of

Description :  Answer the following S. No Statement Chose the correct  answer OR Fill-in-the-blanks 1 Fyrite measures CO2, O2 and SO2 True/False 2 Ultrasonic Flow Meter uses the principle of____& ____ Fill in the ... of RPM  meter is used and for a visible shaft-end _______ type of  RPM meter is used.

Last Answer : Sr  No Statement Chose the correct  answer OR Fill-in-the-blanks Solution 1 Fyrite measures CO2, O2 and  SO2 True/False False 2 Ultrasonic Flow Meter uses the  principle of____& ____ ... ]  10 In a gasification system the  reduction zone is above the  combustion zone True/False False

State True or False. i) An undirected graph which contains no cycles is called forest. ii) A graph is said to be complete if there is an edge between every pair of vertices. A) True, True B) False, True C) False, False D) True, False

Description : State True or False. i) An undirected graph which contains no cycles is called forest. ii) A graph is said to be complete if there is an edge between every pair of vertices. A) True, True B) False, True C) False, False D) True, False

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State True of False. i) Network is a graph that has weights or costs associated with it. ii) An undirected graph which contains no cycles is called a forest. iii) A graph is said to be complete if there is no edge between every pair of vertices. A) True, False, True B) True, True, False C) True, True, True D) False, True, True

Description : State True of False. i) Network is a graph that has weights or costs associated with it. ii) An undirected graph which contains no cycles is called a forest. iii) A graph is said to be complete if there is no ... ) True, False, True B) True, True, False C) True, True, True D) False, True, True

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Description : There is a threefold task for every scholar who study Orientalism- True/False

Last Answer : True

Among the following propositions two are related in such a way that they cannot both be true but can both be false. Select the code that states those two propositions. Propositions: (a) Every student is attentive. (b) Some students are attentive (c) Students are never attentive (d) Some students are not attentive (A) (a) and (b) (B) (a) and (c) (C) (b) and (c) (D) (c) and (d)

Description : Among the following propositions two are related in such a way that they cannot both be true but can both be false. Select the code that states those two propositions. Propositions: (a) Every student is attentive. (b) Some students are ... ) (a) and (c) (C) (b) and (c) (D) (c) and (d)

Last Answer : Answer: B 

Give one point of difference between Golden Quadrilateral Highways and National Highways. -Geography

Description : Give one point of difference between Golden Quadrilateral Highways and National Highways. -Geography

Last Answer : The main roads which connect the state capitals, big cities and important ports are constructed and maintained by the Central Public Works Dept, and are known as Highways. Golden Quadrilateral ... Kolkata - Delhi by six lane superhighways is being implemented by National Highway Authority of India.

How does the Golden Quadrilateral differ from National Highways ? -Geography

Description : How does the Golden Quadrilateral differ from National Highways ? -Geography

Last Answer : The Golden Quadrilateral are roads like National Highways connecting Delhi - Mumbai-Chennai-Kolkata-Delhi by a six lane highway while National Highways are roads connecting capitals, big cities ... . Golden quadrilateral is maintained by NHDP whereas the National Highways are maintained by CPWD.

Which organisation is responsible for implementation of the Golden Quadrilateral Highway project? -Geography

Description : Which organisation is responsible for implementation of the Golden Quadrilateral Highway project? -Geography

Last Answer : The Indian government launched a project to connect Delhi-Kolkata-Chennai-Mumbai by six-lane superhighways. The objective behind the making of these superhighways is to reduce the time and distance ... project of superhighways is being implemented by the National Highway Authority of India (NHAI).

Write a short note on the Golden Quadrilateral and the North-South and East-West Corridors. -SST 10th

Description : Write a short note on the Golden Quadrilateral and the North-South and East-West Corridors. -SST 10th

Last Answer : The government has launched a major road development project linking Delhi - Kolkata - Chennai - Mumbai - Delhi by six-lane Super Highways. This is known as Golden Quadrilateral Super ... of India by providing opportunity for free movement of traffic, thus increasing connectivity between them.

What are Golden Quadrilateral Super Highways ? -SST 10th

Description : What are Golden Quadrilateral Super Highways ? -SST 10th

Last Answer : (i) The Golden qudrilateral super Highways is a major road development project linking Delhi - Kolkata - Chennai - Mumbai and Delhi by six lane super highways. (ii) The two major objectives ... and kanyakumari (Tamil Nadu) and East-West corridor connecting Silchar (Assam) and Porbander (Gujarat).

What is the Golden Quadrilateral (GQ)? -SST 10th

Description : What is the Golden Quadrilateral (GQ)? -SST 10th

Last Answer : This is the biggest and most ambitious project. It connects Delhi, Kolkata, Mumbai and Chennai forming a quadrilateral of sorts.

Name the four sections of the Golden Quadrilateral. -SST 10th

Description : Name the four sections of the Golden Quadrilateral. -SST 10th

Last Answer : The four sections are: (i) Delhi-Kolkata NH 2 (ii) Chennai-Mumbai NH 4 / 7 / 46 (iii) Kolkata-Chennai NH 5 (iv) Mumbai-Delhi NH 8 / 76 / 79

Mention any two ways in which Golden Quadrilateral will help in the economic development of the country? -SST 10th

Description : Mention any two ways in which Golden Quadrilateral will help in the economic development of the country? -SST 10th

Last Answer : The Golden Quadrilateral is a highway network connecting India’s for largest metropolises: Delhi, Mumbai, Chennai and Kolkata the project will help industrial development by easing the process of supply of raw materials. It will also help to connect many remote areas with the main cities.

What are the benefits of the Golden Quadrilateral? -SST 10th

Description : What are the benefits of the Golden Quadrilateral? -SST 10th

Last Answer : (i) It will cut down travel time by about 20-25%. (ii) It will help industrial growth of the towns through which it passes. (iii) It will help Transport of the agricultural ... will help job opportunities in construction as well as in demand for steel, cement and other construction materials.

Find the area of a quadrilateral ABCD in which AB = 3 cm, BC = 4 cm, CD = 4 cm, DA = 5 cm and AC = 5 cm. -Maths 9th

Description : Find the area of a quadrilateral ABCD in which AB = 3 cm, BC = 4 cm, CD = 4 cm, DA = 5 cm and AC = 5 cm. -Maths 9th

Last Answer : Given a quadrilateral ABCD with AB = 3 cm, BC = 4 cm, CD = 4 cm, DA = 5 cm and AC = 5 cm. For ∆ABC, a = AB = 3 cm, b = BC = 4 cm and c = AC = 5 cm Now, area of quadrilateral ABCD = area of ∆ABC + area of ∆ACD = 6 cm2 + 9.2 cm2 = 15.2 cm2 (approx.)

6. Show that the line segments joining the mid-points of the opposite sides of a quadrilateral bisect each other. -Maths 9th

Description : 6. Show that the line segments joining the mid-points of the opposite sides of a quadrilateral bisect each other. -Maths 9th

Last Answer : Solution: Let ABCD be a quadrilateral and P, Q, R and S are the mid points of AB, BC, CD and DA respectively. Now, In ΔACD, R and S are the mid points of CD and DA respectively. , ... , PQRS is parallelogram. PR and QS are the diagonals of the parallelogram PQRS. So, they will bisect each other.

ABCD is a quadrilateral in which P, Q, R and S are mid-points of the sides AB, BC, CD and DA (see Fig 8.29). AC is a diagonal. Show that: (i) SR || AC and SR = 1/2 AC (ii) PQ = SR (iii) PQRS is a parallelogram. -Maths 9th

Description : ABCD is a quadrilateral in which P, Q, R and S are mid-points of the sides AB, BC, CD and DA (see Fig 8.29). AC is a diagonal. Show that: (i) SR || AC and SR = 1/2 AC (ii) PQ = SR (iii) PQRS is a parallelogram. -Maths 9th

Last Answer : . Solution: (i) In ΔDAC, R is the mid point of DC and S is the mid point of DA. Thus by mid point theorem, SR || AC and SR = ½ AC (ii) In ΔBAC, P is the mid point of AB and Q is the mid point of BC. ... ----- from question (ii) ⇒ SR || PQ - from (i) and (ii) also, PQ = SR , PQRS is a parallelogram.

In ΔABC and ΔDEF, AB = DE, AB || DE, BC = EF and BC || EF. Vertices A, B and C are joined to vertices D, E and F respectively (see Fig. 8.22). Show that (i) quadrilateral ABED is a parallelogram (ii) quadrilateral BEFC is a parallelogram (iii) AD || CF and AD = CF (iv) quadrilateral ACFD is a parallelogram (v) AC = DF (vi) ΔABC ≅ ΔDEF. -Maths 9th

Description : In ΔABC and ΔDEF, AB = DE, AB || DE, BC = EF and BC || EF. Vertices A, B and C are joined to vertices D, E and F respectively (see Fig. 8.22). Show that (i) quadrilateral ABED is a parallelogram ( ... CF and AD = CF (iv) quadrilateral ACFD is a parallelogram (v) AC = DF (vi) ΔABC ≅ ΔDEF. -Maths 9th

Last Answer : . Solution: (i) AB = DE and AB || DE (Given) Two opposite sides of a quadrilateral are equal and parallel to each other. Thus, quadrilateral ABED is a parallelogram (ii) Again BC = EF and BC || EF ... (Given) BC = EF (Given) AC = DF (Opposite sides of a parallelogram) , ΔABC ≅ ΔDEF [SSS congruency]

5. Show that if the diagonals of a quadrilateral are equal and bisect each other at right angles, then it is a square. -Maths 9th

Description : 5. Show that if the diagonals of a quadrilateral are equal and bisect each other at right angles, then it is a square. -Maths 9th

Last Answer : Solution: Given that, Let ABCD be a quadrilateral and its diagonals AC and BD bisect each other at right angle at O. To prove that, The Quadrilateral ABCD is a square. Proof, In ΔAOB and ΔCOD, AO = ... right angle. Thus, from (i), (ii) and (iii) given quadrilateral ABCD is a square. Hence Proved.

3. Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus. -Maths 9th

Description : 3. Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus. -Maths 9th

Last Answer : Solution: Let ABCD be a quadrilateral whose diagonals bisect each other at right angles. Given that, OA = OC OB = OD and ∠AOB = ∠BOC = ∠OCD = ∠ODA = 90° To show that, if the ... a parallelogram. , ABCD is rhombus as it is a parallelogram whose diagonals intersect at right angle. Hence Proved.

Prove that the quadrilateral formed by joining the mid points of quadrilateral forms parallelogram -Maths 9th

Description : Prove that the quadrilateral formed by joining the mid points of quadrilateral forms parallelogram -Maths 9th

Last Answer : Please see Exercise 8.2 - question 1 here in Quadrilaterals.