Question

A pizza restaurant uses special placemats for

birthday parties. The happy face on the mat has a
diameter measuring 20 centimeters. Determine
the area of the happy face to the nearest square
centimeter.

Answer 1

314cm^2

Explanation:

Area of the circle-πr^2

r=d/2

r=10

3.14*10^2

3.14*100=314cm^2