is this biconditional true or falseTwo angles are vertical angles if and only if their measures are equal.?

is this biconditional true or falseTwo angles are vertical angles if and only if their measures are equal.?
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is this statement true or falseTwo lines that are perpendicular to the same line are parallel.?

Description : is this statement true or falseTwo lines that are perpendicular to the same line are parallel.?

Last Answer : 1

is this biconditional true or falseToday is Wednesday if and only if yesterday was Tuesday.?

Description : is this biconditional true or falseToday is Wednesday if and only if yesterday was Tuesday.?

Last Answer : 1

is this biconditional true or falseA number is even if and only if it is divisible by 2.?

Description : is this biconditional true or falseA number is even if and only if it is divisible by 2.?

Last Answer : 1

is this statement true or falseA biconditional statement combines a conditional statement with its contrapositive.?

Description : is this statement true or falseA biconditional statement combines a conditional statement with its contrapositive.?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

when the biconditional statement is separated into a conditional and its converse which of these cannot be the converse Biconditional: Lines r coplanar if and only if they lie in the same plane.?

Description : when the biconditional statement is separated into a conditional and its converse which of these cannot be the converse Biconditional: Lines r coplanar if and only if they lie in the same plane.?

Last Answer : Biconditional: Lines r coplanar if and only if they lie in the same plane. Conditional: If lines are coplanar then they lie in the same plane.

What polygon does the sum of the measures of interior angles equal the sum of the measures of the exterior angles?

Description : What polygon does the sum of the measures of interior angles equal the sum of the measures of the exterior angles?

Last Answer : A 4 sided quadrilateral has interior angles that add up to 360degrees and its exterior angles add up to 360 degrees

Is this statement true or falseThe Converse of the Hinge Theorem can be used to determine exact measures of angles?

Description : Is this statement true or falseThe Converse of the Hinge Theorem can be used to determine exact measures of angles?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

which is a biconditional statement combining the following conditional statement and its converseConditional: If two figures are congruent, they have the same shape and size.Converse: If two figures have the same shape and size, they are congruent.?

Description : which is a biconditional statement combining the following conditional statement and its converseConditional: If two figures are congruent, they have the same shape and size.Converse: If two figures have the same shape and size, they are congruent.?

Last Answer : Two figures are congruent if and only if they have the same shape and size.

when the biconditional statement is separated into a conditional and its converse, which of these cannot be the converse?

Description : when the biconditional statement is separated into a conditional and its converse, which of these cannot be the converse?

Last Answer : Biconditional: A number is positive if and only if it is greater than zero.Conditional: If a number is greater than zero, then the number is positive.

how can the following definition be written correctly as a biconditional statementA multiple of 7 is a number that can be divided by 7 with no remainder.?

Description : how can the following definition be written correctly as a biconditional statementA multiple of 7 is a number that can be divided by 7 with no remainder.?

Last Answer : A number is a multiple of 7 if and only if it can be divided by 7 with no remainder.

What is biconditional?

Description : What is biconditional?

Last Answer : A biconditional is a statement wherein the truth of each itemdepends on the truth of the other.

A biconditional statement combines a conditional statement with its contrapositive. T or F?

Description : A biconditional statement combines a conditional statement with its contrapositive. T or F?

Last Answer : FALSE

Theodolite is an instrument used for (a) Tightening the capstan-headed nuts of level tube (b) Measurement of horizontal angles only (c) Measurement of vertical angles only (d) Measurement of both horizontal and vertical angles*

Description : Theodolite is an instrument used for (a) Tightening the capstan-headed nuts of level tube (b) Measurement of horizontal angles only (c) Measurement of vertical angles only (d) Measurement of both horizontal and vertical angles*

Last Answer : (d) Measurement of both horizontal and vertical angles*

2. The measures of two angles in a triangle are shown in the diagram. Which equation can be used to find the value of x?

Description : 2. The measures of two angles in a triangle are shown in the diagram. Which equation can be used to find the value of x?

Last Answer : The measures of two angles in a triangle are shown in the diagram. Which equation can be used to find the value of x?

if the sum of the measures of two angles is 180 degrees the angels are?

Description : if the sum of the measures of two angles is 180 degrees the angels are?

Last Answer : if the sum of the measures of two angles is 180 degrees the angels are

what- Wendell draws the diagram shown to model the topography of a valley near his home. Which are the correct measures for the unknown angles in the diagram?

Description : what- Wendell draws the diagram shown to model the topography of a valley near his home. Which are the correct measures for the unknown angles in the diagram?

Last Answer : YZX= 30 , WXV= 70 , UVT= 50

Which type of triangle has three angles with measures less than 90°?

Description : Which type of triangle has three angles with measures less than 90°?

Last Answer : acute angle

which is the inverse of the following conditionalAll scalene triangles have three angles with distinct measures.?

Description : which is the inverse of the following conditionalAll scalene triangles have three angles with distinct measures.?

Last Answer : If a triangle is not scalene, then the triangle does not have three angles with distinct measures.

If the sum of the measures of the interior angles of a polygon is 1980 how many sides does it have?

Description : If the sum of the measures of the interior angles of a polygon is 1980 how many sides does it have?

Last Answer : The formula for the sum of the angles of an interior polygon is180(n-2), where n is the number of sides, so then you solve180(n-2) = 1980.(n-2) = 11n = 13.So the polygon has 13 sides.

What polygon has the measures of the interior angles of 720?

Description : What polygon has the measures of the interior angles of 720?

Last Answer : A 6 sided hexagon has interior angles that add up to 720degrees

In what way does knowing the measure of the three sides of a triangle tell you more than just knowing the measures of the three angles?

Description : In what way does knowing the measure of the three sides of a triangle tell you more than just knowing the measures of the three angles?

Last Answer : Ion kn

In what way does knowing the measure of the three sides of a triangle tell you more than just knowing the measures of the three angles?

Description : In what way does knowing the measure of the three sides of a triangle tell you more than just knowing the measures of the three angles?

Last Answer : Ion kn

What is the sum of the measures of the exterior angles of dodecagon?

Description : What is the sum of the measures of the exterior angles of dodecagon?

Last Answer : The exterior angles of a 12 sided dodecagon add up to 360degrees

what-Helena was asked to prove that any pair of vertical angles is congruent. She was provided a diagram with several pairs of vertical angles.?

Description : what-Helena was asked to prove that any pair of vertical angles is congruent. She was provided a diagram with several pairs of vertical angles.?

Last Answer : Helena noticed that vertical angles are always supplementary to a common angle. She wrote, “Vertical angles share a common supplementary angle, so by the Congruent Complements Theorem, they are congruent.Why is Helena’s proof incorrect?

which statement is missing from the following proof theorem: vertical angles are congruent.?

Description : which statement is missing from the following proof theorem: vertical angles are congruent.?

Last Answer : A+

Why do you think the person that created the vertical angles in your picture did so?

Description : Why do you think the person that created the vertical angles in your picture did so?

Last Answer : Nobody created any angles in my picture so I don't know of anyreason for them doing so - not for why they did not!

vertical angles are congruent?

Description : vertical angles are congruent?

Last Answer : Vertical angles are always congruent

If vertical angles of inclined sights do not exceed 10° and non-verticality of the staff remains within 1°, stadia system of tacheometric observations are made on (A) Staff normal (B) Staff vertical (C) Staff normal as well as vertical (D) None of these

Description : If vertical angles of inclined sights do not exceed 10° and non-verticality of the staff remains within 1°, stadia system of tacheometric observations are made on (A) Staff normal (B) Staff vertical (C) Staff normal as well as vertical (D) None of these

Last Answer : (A) Staff normal

The line of sight is kept as high above ground surface as possible to minimise the error in the observed angles due to (A) Shimmering (B) Horizontal refraction (C) Vertical refraction (D) Both shimmering and horizontal refraction

Description : The line of sight is kept as high above ground surface as possible to minimise the error in the observed angles due to (A) Shimmering (B) Horizontal refraction (C) Vertical refraction (D) Both shimmering and horizontal refraction

Last Answer : (D) Both shimmering and horizontal refraction

Pick up the correct statement from the following: (A) When the electric field oscillates in the direction of the electric vector, a plane polarised wave is formed (B) When the electric vector is in the plane of incidence, vertical polarisation is formed (C) When the electric vector is at right angles to the plane of incidence, horizontal polarization wave is formed (D) All of these

Description : Pick up the correct statement from the following: (A) When the electric field oscillates in the direction of the electric vector, a plane polarised wave is formed (B) When the electric vector is ... right angles to the plane of incidence, horizontal polarization wave is formed (D) All of these

Last Answer : Answer: Option D

Exposed portions of vertical surface at right angles to the door or window frame, are known as (A) Jambs (B) Lintels (C) Reveals (D) Soffit

Description : Exposed portions of vertical surface at right angles to the door or window frame, are known as (A) Jambs (B) Lintels (C) Reveals (D) Soffit

Last Answer : Answer: Option C

If the corresponding angles of two triangles are equal, then they are always. State true or false and justify your answer. -Maths 9th

Description : If the corresponding angles of two triangles are equal, then they are always. State true or false and justify your answer. -Maths 9th

Last Answer : Solution :- False, because two equilateral triangles with sides 3 cm and 6 cm respectively have all angles equal, but the triangles are not congruent.

Select one attribute that describes the quadrilateral. A. Only one pair of opposite sides are parallel. B. There are no right angles. C. Both pairs of opposite sides are congruent and parallel. D. All sides are an equal length?

Description : Select one attribute that describes the quadrilateral. A. Only one pair of opposite sides are parallel. B. There are no right angles. C. Both pairs of opposite sides are congruent and parallel. D. All sides are an equal length?

Last Answer : Please answer ASAP

The slab is said to be orthotropically reinforced , when the reinforcement is arranged in; [ A ] Single direction [ B ] Two directions at right angles with equal meshes [ C ] Two directions at right angles with unequal meshes [ D ] At the corners only

Description : The slab is said to be orthotropically reinforced , when the reinforcement is arranged in; [ A ] Single direction [ B ] Two directions at right angles with equal meshes [ C ] Two directions at right angles with unequal meshes [ D ] At the corners only

Last Answer : [ C ] Two directions at right angles with unequal meshes

Which of the following statements are true about eccentrically loaded circular base? a) All bolts are symmetrically spaced with equal angle on either side of vertical b) Bolts are not preloaded c) Bearing is rigid d) Dowel pins are used to relieve stresses

Description : Which of the following statements are true about eccentrically loaded circular base? a) All bolts are symmetrically spaced with equal angle on either side of vertical b) Bolts are not preloaded c) Bearing is rigid d) Dowel pins are used to relieve stresses

Last Answer : a) All bolts are symmetrically spaced with equal angle on either side of vertical

2. Prove that if chords of congruent circles subtend equal angles at their centres, then the chords are equal. -Maths 9th

Description : 2. Prove that if chords of congruent circles subtend equal angles at their centres, then the chords are equal. -Maths 9th

Last Answer : Consider the following diagram- Here, it is given that AOB = COD i.e. they are equal angles. Now, we will have to prove that the line segments AB and CD are equal i.e. AB = CD. Proof: In triangles AOB ... ) So, by SAS congruency, ΔAOB ΔCOD. ∴ By the rule of CPCT, we have AB = CD. (Hence proved).

1. Recall that two circles are congruent if they have the same radii. Prove that equal chords of congruent circles subtend equal angles at their centres. -Maths 9th

Description : 1. Recall that two circles are congruent if they have the same radii. Prove that equal chords of congruent circles subtend equal angles at their centres. -Maths 9th

Last Answer : To recall, a circle is a collection of points whose every point is equidistant from its centre. So, two circles can be congruent only when the distance of every point of both the circles are equal from the centre ... ) So, by SSS congruency, ΔAOB ΔCOD ∴ By CPCT we have, AOB = COD. (Hence proved).

Two identical coils carry equal currents have a common centre and their planes are at right angles to each other. The ratio of the magnitude of the re

Description : Two identical coils carry equal currents have a common centre and their planes are at right angles to each other. The ratio of the magnitude of the re

Last Answer : Two identical coils carry equal currents have a common centre and their planes are at right angles to each other. The ... `1:sqrt(2)` D. `sqrt(2):1`

A number of forces acting at a point will be in equilibrium if (A) Their total sum is zero (B) Two resolved parts in two directions at right angles are equal (C) Sum of resolved parts in any two perpendicular directions are both zero (D) All of them are inclined equally

Description : A number of forces acting at a point will be in equilibrium if (A) Their total sum is zero (B) Two resolved parts in two directions at right angles are equal (C) Sum of resolved parts in any two perpendicular directions are both zero (D) All of them are inclined equally

Last Answer : (C) Sum of resolved parts in any two perpendicular directions are both zero

In the mass spectrograph, two positively charged ions having the same velocity pass through a slit and enter a uniform magnetic field at right angles to their initial velocities. The ions will NOT be separated if: w) they have the same masses but different charges x) they have the same charges but different masses y) the products of their charges and their masses are equal z) the ratios of their charges to their masses are equal

Description : In the mass spectrograph, two positively charged ions having the same velocity pass through a slit and enter a uniform magnetic field at right angles to their initial velocities. The ions will NOT be ... charges and their masses are equal z) the ratios of their charges to their masses are equal  

Last Answer : ANSWER: Z -- THE RATIOS OF THEIR CHARGES TO THEIR MASSES ARE EQUAL 

Is there a 3 dimensional shape that has 6 equal angles?

Description : Is there a 3 dimensional shape that has 6 equal angles?

Last Answer : An octahedron has 6 vertices. It is a platonic solid with 8 faces, each an equilateral triangle, & 12 edges. Image

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.

4. Show that the diagonals of a square are equal and bisect each other at right angles. -Maths 9th

Description : 4. Show that the diagonals of a square are equal and bisect each other at right angles. -Maths 9th

Last Answer : Solution: Let ABCD be a square and its diagonals AC and BD intersect each other at O. To show that, AC = BD AO = OC and ∠AOB = 90° Proof, In ΔABC and ΔBAD, AB = BA (Common) ∠ABC = ∠BAD = ... = ∠COB ∠AOB+∠COB = 180° (Linear pair) Thus, ∠AOB = ∠COB = 90° , Diagonals bisect each other at right angles

An exterior angle of a triangle is 110° and the two interior opposite angles are equal find the interior opposite angels -Maths 9th

Description : An exterior angle of a triangle is 110° and the two interior opposite angles are equal find the interior opposite angels -Maths 9th

Last Answer : each interior opposite angles are 55

In the given figure, equal chords AB and CD of a circle with centre O cut at right angles at E. If M and N are the mid-points of AB and CD respectively, prove that OMEN is a square. -Maths 9th

Description : In the given figure, equal chords AB and CD of a circle with centre O cut at right angles at E. If M and N are the mid-points of AB and CD respectively, prove that OMEN is a square. -Maths 9th

Last Answer : Join OE. In ΔOME and ΔONE, OM =ON [equal chords are equidistant from the centre] ∠OME = ∠ONE = 90° OE =OE [common sides] ∠OME ≅ ∠ONE [by SAS congruency] ⇒ ME = NE [by CPCT] In quadrilateral OMEN, ... =ON , ME = NE and ∠OME = ∠ONE = ∠MEN = ∠MON = 90° Hence, OMEN is a square. Hence proved.

Equal chords of a circle subtend equal angles at the centre. -Maths 9th

Description : Equal chords of a circle subtend equal angles at the centre. -Maths 9th

Last Answer : Given : In a circle C(O,r), chord AB = chord CD. To Prove : ∠AOB = ∠COD. Proof : In△AOB and △COD AO = CO [radii of same circle] BO = DO [radii of same circle] Chord AB = Chord CD [given] ⇒ △AOB ≅ △COD [by SSS congruence axiom] ⇒ ∠AOB = ∠COD. [c.p.c.t.]

If the angles subtended by the chords of a circle at the centre are equal, then chords are equal. -Maths 9th

Description : If the angles subtended by the chords of a circle at the centre are equal, then chords are equal. -Maths 9th

Last Answer : Given : In a circle C(O,r) , ∠AOB = ∠COD To Prove : Chord AB = Chord CD . Proof : In △AOB and △COD AO = CO [radii of same circle] BO = DO [radii of same circle] ∠AOB = ∠COD [given] ⇒ △AOB ≅ △COD [by SAS congruence axiom] ⇒ Chord AB = Chord CD [c.p.c.t]

If one angle of a triangle is equal to the sum of the other two angles, then the triangle is -Maths 9th

Description : If one angle of a triangle is equal to the sum of the other two angles, then the triangle is -Maths 9th

Last Answer : (d) Let the angles of a AABC be ∠A, ∠B and ∠C. Given, ∠A = ∠B+∠C …(i) InMBC, ∠A+ ∠B+ ∠C-180° [sum of all angles of a triangle is 180°]…(ii) From Eqs. (i) and (ii), ∠A+∠A = 180° ⇒ 2 ∠A = 180° ⇒ 180° /2 ∠A = 90° Hence, the triangle is a right triangle.

If two lines intersect prove that the vertically opposite angles are equal. -Maths 9th

Description : If two lines intersect prove that the vertically opposite angles are equal. -Maths 9th

Last Answer : Given Two lines AB and CD intersect at point O.