Chapter 6 Triangles

Chapter 6 Triangles
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Chapter 6 Triangles

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Chapter 6 Triangles

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Answer :

Chapter 6 Triangles

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Answer :

Chapter 6 Triangles

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Related questions

Sides of triangles are (i) 3 cm, 4 cm, 6 cm. (ii) 4 cm, 5 cm, 6 cm. (iii) 7 cm, 24 cm, 25 cm (iv) 5 cm, 12 cm, 14 cm. Which of these is right triangle?(a) (i) (b) (ii) (c) (iii) (d) (iv)

Description : Sides of triangles are (i) 3 cm, 4 cm, 6 cm. (ii) 4 cm, 5 cm, 6 cm. (iii) 7 cm, 24 cm, 25 cm (iv) 5 cm, 12 cm, 14 cm. Which of these is right triangle?(a) (i) (b) (ii) (c) (iii) (d) (iv)

Last Answer : (c) (iii)

How many triangles will there be after n number of sequences?

Description : How many triangles will there be after n number of sequences?

Last Answer : I drew two more iterations of the pattern and added 9, then 12 more triangles. Your first two drawings showed 3 then 6. So the first 4 iterations go 3, 6, 9, 12 if that continues, it seems the pattern ... , 19, 31 and you'll have to give me a moment to come up with the formula for that sequence.

Areas of two similar triangles are 36 cm 2 and 100 cm 2 . If the length of a side of thelarger triangle is 20 cm, then the length of the corresponding side of the smaller triangle is: (a) 12cm (b) 13cm (c) 14cm (d) 15cm

Description : Areas of two similar triangles are 36 cm 2 and 100 cm 2 . If the length of a side of thelarger triangle is 20 cm, then the length of the corresponding side of the smaller triangle is: (a) 12cm (b) 13cm (c) 14cm (d) 15cm

Last Answer : (a) 12cm

The ratio of the areas of the two triangles formed by the lines representing the equations and 2x – y + 2 = 0 with X axis and the lines with the Y axis is (a) 1 : 2 (b) 2 : 1 (c) 4 : 1 (d) 1 : 4

Description : The ratio of the areas of the two triangles formed by the lines representing the equations and 2x – y + 2 = 0 with X axis and the lines with the Y axis is (a) 1 : 2 (b) 2 : 1 (c) 4 : 1 (d) 1 : 4

Last Answer : (c) 4 : 1

. The ratio of the areas of the two triangles formed by the lines representing the equations and 2x – y + 2 = 0 with X axis and the lines with the Y axis is (a) 1 : 2 (b) 2 : 1 (c) 4 : 1 (d) 1 : 4

Description : . The ratio of the areas of the two triangles formed by the lines representing the equations and 2x – y + 2 = 0 with X axis and the lines with the Y axis is (a) 1 : 2 (b) 2 : 1 (c) 4 : 1 (d) 1 : 4

Last Answer : (c) 4 : 1

In the following figure ABCD is a cyclic quadrilateral, the sum of degree measures of ∠A and ∠D is: (SOURCE: Fig. 3.7, Exercise 3.7, Chapter 3, PAIR of LINEAR EQUATIONS in TWO VARIABLES, NCERT, Class X) (a) 120° (b) 180° (c) 230°(d) 250°

Description : In the following figure ABCD is a cyclic quadrilateral, the sum of degree measures of ∠A and ∠D is: (SOURCE: Fig. 3.7, Exercise 3.7, Chapter 3, PAIR of LINEAR EQUATIONS in TWO VARIABLES, NCERT, Class X) (a) 120° (b) 180° (c) 230°(d) 250°

Last Answer : (c) 230°

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Chapter 11 Constructions

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Chapter 10 Circles

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Chapter 9 Some Applications of Trigonometry

Description : Chapter 9 Some Applications of Trigonometry

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Chapter 1 Real Numbers

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NCERT Solutions for class 9 Maths Chapter 7 Triangles Exercise 7.1 -Maths 9th

Description : NCERT Solutions for class 9 Maths Chapter 7 Triangles Exercise 7.1 -Maths 9th

Last Answer : 1. In quadrilateral ACBD, AC = AD and AB bisects ∠A (see figure). Show that ΔABC ∠ ΔABD. What can you say about BC and BD ? In quadrilateral ABCD we have AC = AD and AB being the bisector of ∠A. Now, in ΔABC and ΔABD, AC = AD ... [Given] ∴ CM = (1/2) DC = (1/2) AB ⇒ CM = (1/2) AB

NCERT Solutions for class 9 Maths Chapter 7 Triangles Exercise 7.2 -Maths 9th

Description : NCERT Solutions for class 9 Maths Chapter 7 Triangles Exercise 7.2 -Maths 9th

Last Answer : 1. In an isosceles triangle ABC, with AB = AC, the bisectors of B and ∠C intersect each other at O. Join A to O. Show that: (i) OB = OC (ii) AO bisects ∠ A (i) In ΔABC, we have AB = AC ... 180° or x =(180o/3) = 60° ∴ ∠A= ∠B = ∠C = 60° Thus, the angles of an equilateral triangle are 60° each.

NCERT Solutions for class 9 Maths Chapter 7 Triangles Exercise 7.3 -Maths 9th

Description : NCERT Solutions for class 9 Maths Chapter 7 Triangles Exercise 7.3 -Maths 9th

Last Answer : 1. ΔABC and ΔDBC are two isosceles triangles on the same base BC and vertices A and D are on the same side of BC (see figure). If AD is extended to intersect BC at P, show that (i) ΔABD ≌ ... [common] ∴ Using RHS criteria, ΔABP ≌ ΔACP ∴ Their corresponding parts are congruent. ⇒ ∠B= ∠C

NCERT Solutions for class 9 Maths Chapter 7 Triangles Exercise 7.4 -Maths 9th

Description : NCERT Solutions for class 9 Maths Chapter 7 Triangles Exercise 7.4 -Maths 9th

Last Answer : 1. Show that in a right angled triangle, the hypotenuse is the longest side Let us consider ΔABC such that ∠B = 90º ∴ ∠A + ∠B + ∠C = 180º ∴ [∠A + ∠C] + ∠B = 180º ⇒ ∠A + ∠C = 90º ⇒ ... on the line l. Thus, the perpendicular segment is the shortest line segment drawn on a line from a point not on it.

NCERT Solutions for class 9 Maths Chapter 7 Triangles Exercise 7.5 -Maths 9th

Description : NCERT Solutions for class 9 Maths Chapter 7 Triangles Exercise 7.5 -Maths 9th

Last Answer : 1. ABC is a triangle. Locate a point in the interior of ΔABC which is equidistant from all the vertices of ΔABC. Let us consider a ΔABC. Draw l' the perpendicular bisector of AB. Draw m' the ... figure (i) and 300 equilateral triangles in the figure (ii). ∴ The figure (ii) has more triangles.

NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.1 -Maths 9th

Description : NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.1 -Maths 9th

Last Answer : 1. Which of the following figures lie on the same base and between the same parallels. In such a case, write the common base and the two parallels. The figures (i), (iii), and (v) lie on the same base and between the same parallels.

NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.2 -Maths 9th

Description : NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.2 -Maths 9th

Last Answer : 1. In the figure, ABCD is a parallelogram, AE ⊥ DC and CF ⊥ AD. If AB = 16 cm, AE = 8 cm and CF = 10 cm, find AD. We have AE ⊥ DC and AB = 16 cm ∵ AB = CD [opp. sides of parallelogram ABCD] ∴ ... sow wheat in (ΔPAQ) and pulses in [(ΔAPS) + (ΔQAR)] OR wheat in [(ΔAPS) + (ΔQAR)] and pulses in (ΔPAQ).

NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.3 -Maths 9th

Description : NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.3 -Maths 9th

Last Answer : 1. In the figure, E is any point on median AD of a DABC. Show that ar (ABE) = ar (ACE). We have a ΔABC such that AD is a median. ∴ ar (ΔABD) = ar (ΔADC) ...(1) [∵ A median divides ... from both sides, we get [ar (ΔABD) - ar (ΔAOB)] = [ar (ΔABC) - ar (ΔAOB)] ⇒ ar (ΔAOD) = ar (ΔBOC)

NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.4 -Maths 9th

Description : NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.4 -Maths 9th

Last Answer : 1. Parallelogram ABCD and rectangle ABEF are on the same base AB have equal areas. Show that the perimeter of the parallelogram is greater than that of the rectangle. We have a parallelogram ABCD and rectangle ABEF such that ar ( ... (BCED) = ar (ABMN) + ar (ACFG) [from (5)

MCQ Questions for Class 9 Maths Chapter 7 Triangles with answers -Maths 9th

Description : MCQ Questions for Class 9 Maths Chapter 7 Triangles with answers -Maths 9th

Last Answer : Below you will find MCQ Questions of Chapter 7 Triangles Class 9 Maths Free PDF Download that will help you in gaining good marks in the examinations and also cracking competitive exams. These Class ... . These Triangles MCQ Questions will help you in practising more and more questions in less time.

MCQ Questions for Class 9 Maths Chapter 9 Areas of Parallelogram and Triangles with answers -Maths 9th

Description : MCQ Questions for Class 9 Maths Chapter 9 Areas of Parallelogram and Triangles with answers -Maths 9th

Last Answer : Below you will find MCQ Questions of Chapter 9 Areas of Parallelograms and Triangles Class 9 Maths Free PDF Download that will help you in gaining good marks in the examinations and also cracking ... and Triangles MCQ Questions will help you in practising more and more questions in less time.

Cbqs (case base study ) of chapter 9 Areas of Parallelograms and Triangles of maths class 9th -Maths 9th

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1 6 26 81 what next number?

Description : 1 6 26 81 what next number?

Last Answer : 1 6 26 81 ?

Is it possible for a right angled triangle with sides 3 and 4 units long to have a hypotenuse 6 units in length?

Description : Is it possible for a right angled triangle with sides 3 and 4 units long to have a hypotenuse 6 units in length?

Last Answer : answer:I'm not quite getting you. It isn't actually a triangle when the hypotenuse has these indentations, right? The hypotenuse isn't a straight line as you describe it. If the other sides are 3 ... and 5.00001, you don't have a straight line. Unless I'm misunderstanding what you're suggesting.

The prime factorisation of 96 is (a) 2 5 × 3 (b) 2 6 (c) 2 4 × 3 (d) 2 4 × 3 2

Description : The prime factorisation of 96 is (a) 2 5 × 3 (b) 2 6 (c) 2 4 × 3 (d) 2 4 × 3 2

Last Answer : (a) 2 5 × 3

For any natural numbern, 6 n – 5 n is always ends with (a) 4 (b) 3 (c) 2 (d) 1

Description : For any natural numbern, 6 n – 5 n is always ends with (a) 4 (b) 3 (c) 2 (d) 1

Last Answer : (d) 1

There is a circular path around a sports field. Priya takes 18 minutes to drive one round of the field. Harish takes 12 minutes. Suppose they both start at the same point and at the same time and go in the same direction. After how many minutes will they meet ? (a) 36 minutes (b) 18 minutes (c) 6 minutes (d) They will not meet

Description : There is a circular path around a sports field. Priya takes 18 minutes to drive one round of the field. Harish takes 12 minutes. Suppose they both start at the same point and at the same time and go in the same ... will they meet ? (a) 36 minutes (b) 18 minutes (c) 6 minutes (d) They will not meet

Last Answer : (a) 36 minutes

A flag pole 18 m high casts a shadow 9.6 m long. Then the distance of the top of the pole from the far end of the shadow is (a) 25.6 (b) 20.4 (c) 23.7 (d) 32.5

Description : A flag pole 18 m high casts a shadow 9.6 m long. Then the distance of the top of the pole from the far end of the shadow is (a) 25.6 (b) 20.4 (c) 23.7 (d) 32.5

Last Answer : (b) 20.4

ABCD is a parallelogram with diagonal AC If a line XZ is drawn such that XZ ∥ AB, then BX/XC = ? (a) (AY/AC) (b) DZ/AZ (c) AZ/ZD (d) AC/AY Answer: (c) AZ/ZD 13. In the given figure, value of x (in cm) is (a) 5cm (b) 3.6 cm (c) 3.2 cm (d) 10 cm

Description : ABCD is a parallelogram with diagonal AC If a line XZ is drawn such that XZ ∥ AB, then BX/XC = ? (a) (AY/AC) (b) DZ/AZ (c) AZ/ZD (d) AC/AY Answer: (c) AZ/ZD 13. In the given figure, value of x (in cm) is (a) 5cm (b) 3.6 cm (c) 3.2 cm (d) 10 cm

Last Answer : (a) 5cm

D and E are respectively the points on the sides AB and AC of a triangle ABC such that AD = 2 cm, BD = 3 cm, BC = 7.5 cm and DE || BC. Then, length of DE (in cm) is (a) 2.5 (b) 3 (c) 5 (d) 6

Description : D and E are respectively the points on the sides AB and AC of a triangle ABC such that AD = 2 cm, BD = 3 cm, BC = 7.5 cm and DE || BC. Then, length of DE (in cm) is (a) 2.5 (b) 3 (c) 5 (d) 6

Last Answer : (b) 3

In (a) 7.5 cm (b) 3 cm (c) 4.5 cm (d) 6 cm || AB. If CD = 3 cm, EC = 4 cm, BE = 6 cm, then DA is equal to

Description : In|| AB. If CD = 3 cm, EC = 4 cm, BE = 6 cm, then DA is equal to (a) 7.5 cm (b) 3 cm (c) 4.5 cm (d) 6 cm

Last Answer : (c) 4.5 cm

If ̳α ‘ and ̳β ‘ are the zeroes of a quadratic polynomial x 2 − 5x + b and α − β = 1, then the value of ̳b‘ is (a) – 5 (b) 6 (c) 5 (d) – 6

Description : If ̳α ‘ and ̳β ‘ are the zeroes of a quadratic polynomial x 2 − 5x + b and α − β = 1, then the value of ̳b‘ is (a) – 5 (b) 6 (c) 5 (d) – 6

Last Answer : (b) 6

Rahul got next chance. What is the probability that he got the sum of the two numbers appearing on the top face of the dice is equal to 7? a. 5/9 b. 5/36 c. 1/6 d. 0

Description : Rahul got next chance. What is the probability that he got the sum of the two numbers appearing on the top face of the dice is equal to 7? a. 5/9 b. 5/36 c. 1/6 d. 0

Last Answer : c. 1/6

In a village fair, Gopal set up a stall of game consisting of spinning an arrow which comes to rest pointing at one of the regions 1, 2 or 3. Find the probability of outcome 1.a. 1/3 b. 1/2 c. 1/4 d. 1/6

Description : In a village fair, Gopal set up a stall of game consisting of spinning an arrow which comes to rest pointing at one of the regions 1, 2 or 3. Find the probability of outcome 1.a. 1/3 b. 1/2 c. 1/4 d. 1/6

Last Answer : b. 1/2

Two dice are thrown together. Find the probability that the sum of the numbers obtained is even a. 1/4 b. 1/6 c. 1/3 d. 1/2

Description : Two dice are thrown together. Find the probability that the sum of the numbers obtained is even a. 1/4 b. 1/6 c. 1/3 d. 1/2

Last Answer : d. 1/2

A dice is thrown once, what is the probability of getting a prime number? a. 1/3 b. 6/25 c. 1/2 d. 1/4

Description : A dice is thrown once, what is the probability of getting a prime number? a. 1/3 b. 6/25 c. 1/2 d. 1/4

Last Answer : c. 1/2

The 2 digit number which becomes (5/6)th of itself when its digits are reversed. The difference in the digits of the number being 1, then the two digits number is (a) 45 (b) 54 (c) 36 (d) None of these

Description : The 2 digit number which becomes (5/6)th of itself when its digits are reversed. The difference in the digits of the number being 1, then the two digits number is (a) 45 (b) 54 (c) 36 (d) None of these

Last Answer : (b) 54

For what value of k , the following system of equations have infinite solutions : kx + 4y = k-4, 16x + ky = k (a) k = 2 (b) k = 4 (c) k = 6 (d) k = 8

Description : For what value of k , the following system of equations have infinite solutions : kx + 4y = k-4, 16x + ky = k (a) k = 2 (b) k = 4 (c) k = 6 (d) k = 8

Last Answer : (d) k = 8