Question

Calculate the area of the circle shown below.4 in Approximate Value_________Exact Value________(round your approximate answers to thehundredths)Circumference of the circle:_________ in?_________ in?

Answer 1

The circumference formula is

`C=\pi d`

Where d = 4 and pi = 3.14.

`C=3.14\cdot4\approx12.56in`

Hence, the circumference is 12.56 inches, approximately. The exact value is 4pi.