The area of a circle is 615.44 in^2

. What is the diameter of the circle? Use 3.14 for π.
Responses
A 14 in
B 18 in
C 20 in
D 24 in
E 28 in

1 answer

The formula for the area of a circle is A = πr^2, where A is the area and r is the radius.

Given that the area is 615.44 in^2, we can solve for the radius:

615.44 = 3.14 * r^2
615.44 / 3.14 = r^2
196 = r^2
r = √196 = 14

The diameter of a circle is twice the radius, so the diameter is:

2 * 14 = 28 in

Therefore, the diameter of the circle is 28 inches.

Answer: E) 28 in