5

Set 3: Triangles (Intermediate)

Explanation

Answer: B

PROBLEM

Intriguingly, an equilateral triangle has a perimeter of 33. What is the length of each side?

An equilateral triangle has a perimeter of 33. What is the length of each side?

A.

14

B.

11

✓ Correct
C.

9

D.

10

Detailed Explanation

[Variation 2] Choice B is the best answer. Each side = 33 / 3 = 11

Why others are wrong:
A: 14 is incorrect because it does not satisfy the equation.
C: 9 is incorrect because it does not satisfy the equation.
D: 10 is incorrect because it does not satisfy the equation.