Question

Find the radius of the circle with an area of 153.9 in? Use 3.14 for T.

A. 3.5 in.
B. 7 in.
D. 14 in.
C. 7.9 in.​

Answer 1

B. 7 in.

Explanation:

Area = A =pi r^2

r^2 = A / pi

r = √(A / 3.14)

= √(153.9 / 3.14)

= 7 in.