Question

What is the area of a circle with a radius of 42 inches?

Answer 1

The area of a circle is:

A=πr^2 if r=42 then

A=π42^2 in^2

A=1764π in^2 (exact)

A≈5541.77 in^2 (to nearest one-hundredth of a square inch)

Answer 2

the answer would be 5541.76944093239. cause A= pi r^2