Isosceles Triangles Answers
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Consider the diagram and proof by contradiction.Given: △ABC with AB ≅ AC
A
AB ≠ ACB
∠B ≅ ∠CC
ABC is not a triangleD
∠A ≅ ∠B ≅ ∠C2
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Triangle XYZ is isosceles. The measure of the vertex angle, Y, is twice the measure of a base angle.What is true about triangle XYZ? Select three options.
A
Angle Y is a right angle.B
The measure of angle Z is 45°.C
The measure of angle X is 36°.D
The measure of the vertex angle is 72°.E
The perpendicular bisector of creates two smaller isosceles triangles.3
Consider the diagram and proof by contradiction.Given: △ABC with ∠B ≅ ∠CProve: AB ≅ AC
A
converse of the isosceles triangle theoremB
substitutionC
definition of congruencyD
converse of the triangle parts relationship theorem4
is a perpendicular bisector of .
A
It will be a right triangle.B
It will be an acute triangle.C
It will be an equilateral triangle.D
It will be an isosceles triangle.5
What is true about QRT? Select two options.
A
QRT = 90°
B
QRT = SRTC
QRT STQD
QRT = 2*RTQE
QRT RTQDid you find these answers helpful?
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