If the area of the circle is 97.9 units squared, what is the radius?

Question

asked Sep 25, 2021 5.5k views

1 Answer

Eldoctoro · Answer 1 · 2021-09-30T03:34:19+0000

Answer:

r = 5.58

Explanation:

The area of a circle is given by

A = pi r^2

97.9 = 3.14 r^2

Divide each side by 3.14

97.9/3.14 =3.14 /31.4 r^2

31.17834395 = r^2

Take the square root of each side

sqrt(31.17834395) = sqrt(r^2)

5.583757153 = r