Set 2: Triangles (Intermediate)

**Choice B is the best answer.** Perimeter = 11 + 11 + 3 = 25

Explanation

Answer: B

PROBLEM

An isosceles triangle has two equal sides of 11 and a base of 3. What is its perimeter?

A.

26

B.

25

✓ Correct

C.

23

D.

24

Detailed Explanation

Choice B is the best answer. Perimeter = 11 + 11 + 3 = 25

Why others are wrong:

A: 26 is incorrect because it does not satisfy the equation.

C: 23 is incorrect because it does not satisfy the equation.

D: 24 is incorrect because it does not satisfy the equation.