Question

To the nearest hundredth, what is the area of a circle with a radius of 3 units?

A. 29.61 square units
B. 28.27 square units
C. 9.42 square units
D. 18.85 square units

Answer 1

B. 28.27 square units

Explanation

Use the formula:

A=πr²

To find area of circle

Plug in 3 for r in the equation:

A=π3²

To get an answer of approximately:

B. 28.27 square units