Isosceles Triangles

Question 1

Triangle ABC is an isosceles right triangle. What is the measure of one base angle?

Revolt · Accepted Answer

45º

Question 2

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

Revolt · Accepted Answer

It has exactly 3 congruent sides.

Question 3

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

Revolt · Accepted Answer

16

Question 4

Triangle ABC is isosceles.

Revolt · Accepted Answer

It is equal to the measure of angle C.

Question 5

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

Revolt · Accepted Answer

At least two of the angles are congruent.

Question 6

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

Revolt · Accepted Answer

24°

Question 7

Triangle KNM is isosceles, where angle N is the vertex.

Revolt · Accepted Answer

25º

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

Triangle ABC is shown below.

Revolt · Accepted Answer

14

Question 10

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

Isosceles Triangles Answers