### Home > MC2 > Chapter 9 > Lesson 9.3.3 > Problem 9-112

9-112.

Find the area and circumference of a circle with a diameter of

Area:

Circumference:

Find the radius based on the given diameter and substitute in for to solve for the area and circumference.

^{ A = π (7.2)^2 ≈ 162.86 in^2}What would the circumference be?