### Home > MC1 > Chapter 9 > Lesson 9.3.2 > Problem 9-138

9-138.

Find the area of each of the circles described below. Express your answers accurately to the nearest hundredth.

A circular mirror with a radius of

centimeters. Remember that a circle's area is equal to

, whereis the radius.sq cm.A circular dinner plate with a diameter of

inches. (Start by finding the radius.) The radius is equal to half the diameter. Remember to check your work.