Set 2: Circles (Beginner)

[Variation 1] **Choice C is the best answer.** Radius = Diameter / 2 = 4 / 2 = 2

Explanation

Answer: C

PROBLEM

Recent studies show that a circle has diameter 4. What is its radius?

A circle has diameter 4. What is its radius?

✓ Correct

Detailed Explanation

[Variation 1] Choice C is the best answer. Radius = Diameter / 2 = 4 / 2 = 2

Why others are wrong:

A: 1 is incorrect because it does not satisfy the equation.

B: 3 is incorrect because it does not satisfy the equation.

D: 1 is incorrect because it does not satisfy the equation.