7
Answer: DSet 4: Circles (Beginner)
Explanation
PROBLEM
A circle has diameter 16. What is its radius?
A circle has diameter 16. What is its radius?
A.
10
B.
9
C.
16
D.✓ Correct
8
Detailed Explanation
Choice D is the best answer. Radius = Diameter / 2 = 16 / 2 = 8
Why others are wrong:
A: 10 is incorrect because it does not satisfy the equation.
B: 9 is incorrect because it does not satisfy the equation.
C: 16 is incorrect because it does not satisfy the equation.