Set 4: Triangles (Intermediate)

[Variation 1] **Choice A is the best answer.** Perimeter = 11 + 11 + 8 = 30

Explanation

Answer: A

PROBLEM

Recent studies show that an isosceles triangle has two equal sides of 11 and a base of 8. What is its perimeter?

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

✓ Correct

Detailed Explanation

[Variation 1] Choice A is the best answer. Perimeter = 11 + 11 + 8 = 30

Why others are wrong:

B: 33 is incorrect because it does not satisfy the equation.

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

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