Isosceles Triangles

Question 1

What is true about QRT? Select two options.

Question 2

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 3

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

Revolt · Accepted Answer

70°

Question 4

GJ bisects ∠FGH and is a perpendicular bisector of FH.

Revolt · Accepted Answer

It has exactly 3 congruent sides.

Question 5

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

Revolt · Accepted Answer

16

Question 6

Triangle ABC is isosceles.

Revolt · Accepted Answer

It is equal to the measure of angle C.

Question 7

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

Revolt · Accepted Answer

∠B ≅ ∠C

Question 8

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

Revolt · Accepted Answer

At least two of the angles are congruent.

Question 9

is a perpendicular bisector of .

Revolt · Accepted Answer

It will be an isosceles triangle.

Question 10

Triangle ABC is isosceles.

Revolt · Accepted Answer

40

Isosceles Triangles Answers