10

Set 4: Circles (Beginner)

Explanation

Answer: B

PROBLEM

A circle has diameter 12. What is its radius?

A circle has diameter 12. What is its radius?

A.

12

B.

6

✓ Correct
C.

3

D.

8

Detailed Explanation

Choice B is the best answer. Radius = Diameter / 2 = 12 / 2 = 6

Why others are wrong:
A: 12 is incorrect because it does not satisfy the equation.
C: 3 is incorrect because it does not satisfy the equation.
D: 8 is incorrect because it does not satisfy the equation.

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