Isosceles Triangles

Question 1

is a perpendicular bisector of .

Revolt · Accepted Answer

It will be an isosceles triangle.

Question 2

Triangle ABC is shown below.

Revolt · Accepted Answer

14

Question 3

In triangle FGH, is an angle bisector of and perpendicular to .

Revolt · Accepted Answer

16

Question 4

What is true about QRT? Select two options.

Question 5

Isosceles triangle ABC has a perimeter of 96 centimeters. The base of the triangle is and measures 24 centimeters.What is the measure of ?

Revolt · Accepted Answer

36 cm

Question 6

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.Angle Y is a right angle.The measure of angle Z is 45°.The measure of angle X is 36°.The measure of the vertex angle is 72°.The perpendicular bisector of creates two smaller isosceles triangles.

Question 7

Triangle SQT is isosceles. The measure of angle STQ is 48°.

Revolt · Accepted Answer

24°

Question 8

Consider the diagram and proof by contradiction.Given: △ABC with ∠B ≅ ∠CProve: AB ≅ AC

Revolt · Accepted Answer

converse of the isosceles triangle theorem

Question 9

The vertex angle of an isosceles triangle measures 40°. What is the measure of a base angle?

Revolt · Accepted Answer

70°

Question 10

What is always true about the angles of an isosceles triangle?

Revolt · Accepted Answer

At least two of the angles are congruent.

Isosceles Triangles Answers

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