Question

The area of a circle is 64 π m2. What is the diameter?

Answer 1

The area of the circle = 64 π m^2

The area of a circle = π x r^2

Then, π x r^2 = 64 π

we have that

r^2 = 64

square root both sides ,we have:

Radius = 8 m

Diameter = 2 x Radius = 2 x 8 m

= 16 m