Set 1: Triangles (Intermediate)

**Choice B is the best answer.** Perimeter = 11 + 11 + 8 = 30

Explanation

Answer: B

PROBLEM

An isosceles triangle has two equal sides of 11 and a base of 8. What is its perimeter?

A.

32

B.

30

✓ Correct

C.

29

D.

27

Detailed Explanation

Choice B is the best answer. Perimeter = 11 + 11 + 8 = 30

Why others are wrong:

A: 32 is incorrect because it does not satisfy the equation.

C: 29 is incorrect because it does not satisfy the equation.

D: 27 is incorrect because it does not satisfy the equation.