Question

A circle has an area of 75 square centimeters. Which answer is closest to the measure of its radius?

A) 2.75 centimeters


B) 4.9 centimeters


C) 9.8 centimeters


D) 23.9 centimeters

Answer 1

4.9

Explanation:

Answer 2

A =
`\pi r^2`
75 =
`\pi r^2`

`r` ≈ 4.89

So, answer is B.