5
Answer: DSet 1: Circles (Beginner)
Explanation
PROBLEM
A circle has diameter 8. What is its radius?
A circle has diameter 8. What is its radius?
A.
6
B.
2
C.
8
D.✓ Correct
4
Detailed Explanation
Choice D is the best answer. Radius = Diameter / 2 = 8 / 2 = 4
Why others are wrong:
A: 6 is incorrect because it does not satisfy the equation.
B: 2 is incorrect because it does not satisfy the equation.
C: 8 is incorrect because it does not satisfy the equation.