Set 4: Circles (Beginner)

**Choice C is the best answer.** Radius = Diameter / 2 = 10 / 2 = 5

Explanation

Answer: C

PROBLEM

A circle has diameter 10. What is its radius?

✓ Correct

Detailed Explanation

Choice C is the best answer. Radius = Diameter / 2 = 10 / 2 = 5

Why others are wrong:

A: 10 is incorrect because it does not satisfy the equation.

B: 4 is incorrect because it does not satisfy the equation.

D: 6 is incorrect because it does not satisfy the equation.