2

Set 1: Triangles (Intermediate)

Explanation

Answer: C

PROBLEM

An equilateral triangle has a perimeter of 12. What is the length of each side?

An equilateral triangle has a perimeter of 12. What is the length of each side?

A.

7

B.

3

C.

4

✓ Correct
D.

6

Detailed Explanation

Choice C is the best answer. Each side = 12 / 3 = 4

Why others are wrong:
A: 7 is incorrect because it does not satisfy the equation.
B: 3 is incorrect because it does not satisfy the equation.
D: 6 is incorrect because it does not satisfy the equation.