Set 4: Triangles (Beginner)

**Choice C is the best answer.** Perimeter = 8 + 6 + 4 = 18

Explanation

Answer: C

PROBLEM

A triangle has sides 8, 6, and 4. What is its perimeter?

A.

21

B.

16

C.

18

✓ Correct

D.

17

Detailed Explanation

Choice C is the best answer. Perimeter = 8 + 6 + 4 = 18

Why others are wrong:

A: 21 is incorrect because it does not satisfy the equation.

B: 16 is incorrect because it does not satisfy the equation.

D: 17 is incorrect because it does not satisfy the equation.