Isosceles Triangles — Quiz

Question 1

What is true of any triangle created by points cap u , cap v , and any point on over left right arrow RT other than cap s ?

Revolt · Accepted Answer

It will be an isosceles triangle.

Question 2

What is true about triangle AMB ?

Revolt · Accepted Answer

It is an isosceles right triangle.

Question 3

What is true of any triangle created by points cap u , cap v , and any point on over left right arrow RT other than cap s ?

Revolt · Accepted Answer

It will be an isosceles triangle.

Question 4

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

Revolt · Accepted Answer

36 cm

Question 5

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

Revolt · Accepted Answer

45 degrees

Question 6

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

Revolt · Accepted Answer

70 degrees

Question 7

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

Revolt · Accepted Answer

At least two of the angles are congruent.

Question 8

Triangle XYZ is isoceles. The measure of the vertex angle, cap y , is twice the measure of a base angle. What is true about triangle XYZ ? Choose three correct answers.

Revolt · Accepted Answer

The perpendicular bisector of line segment XZ creates two smaller isosceles triangles.; Angle cap y is a right angle.; The measure of angle cap z is 45 degrees .

Question 9

Triangle ABC is equilateral. BD― bisects ∠ABC The length of AD― is (5⁢x+1) feet, and the length of BC― is 60 feet. What is the value of x ? Enter your answer in the box.

Revolt · Accepted Answer

5.8

Question 10

What is true about the measure of angle cap b ?

Revolt · Accepted Answer

It is equal to the measure of angle cap c .

Isosceles Triangles — Quiz Answers

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