6

Set 3: Circles (Beginner)

Explanation

Answer: B

PROBLEM

A circle has diameter 22. What is its radius?

A circle has diameter 22. What is its radius?

A.

22

B.

11

✓ Correct
C.

12

D.

10

Detailed Explanation

Choice B is the best answer. Radius = Diameter / 2 = 22 / 2 = 11

Why others are wrong:
A: 22 is incorrect because it does not satisfy the equation.
C: 12 is incorrect because it does not satisfy the equation.
D: 10 is incorrect because it does not satisfy the equation.