### Home > CCAA > Chapter 9 Unit 8 > Lesson CC2: 9.1.1 > Problem 9-16

9-16.

Find the circumference of each of the circles described below.

Radius of

inches Recall that the circumference of a

. inches

Diameter of

cm Refer to the diagram from part (a) and recall that the

.

To get an appropriate decimal answer, roundso that it equals .