Set 3: Triangles (Intermediate)

**Choice C is the best answer.** Each side = 30 / 3 = 10

Explanation

Answer: C

PROBLEM

An equilateral triangle has a perimeter of 30. What is the length of each side?

A.

7

B.

12

C.

10

✓ Correct

D.

11

Detailed Explanation

Choice C is the best answer. Each side = 30 / 3 = 10

Why others are wrong:

A: 7 is incorrect because it does not satisfy the equation.

B: 12 is incorrect because it does not satisfy the equation.

D: 11 is incorrect because it does not satisfy the equation.