Set 5: Circles (Beginner)

[Variation 1] **Choice C is the best answer.** Radius = Diameter / 2 = 22 / 2 = 11

Explanation

Answer: C

PROBLEM

Recent studies show that a circle has diameter 22. What is its radius?

A circle has diameter 22. What is its radius?

✓ Correct

Detailed Explanation

[Variation 1] Choice C is the best answer. Radius = Diameter / 2 = 22 / 2 = 11

Why others are wrong:

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

B: 22 is incorrect because it does not satisfy the equation.

D: 13 is incorrect because it does not satisfy the equation.