Question

A circle has radius 50 cm. Which of these is closest to its area?

Group of answer choices

157 square centimeters

15708 square centimeters

314 square centimeters

7854 square centimeters

Answer 1

7854 square centimeters

Explanation:

A=π · r^2 = π · 502 = 7853.98163

Answer 2

7854 square centimeters

Explanation:

The area of a circle is given by

A = pi r^2

A = pi ( 50)^2

A = 2500 pi

Let pi be approximated by 3.14

A = 2500 * 3.14

A =7850 cm^2