C = 31.415926535898 in A = 78.539816339745 in2
Work Step by Step
Using the following equations and plugging in the radius will give the answer: A = πr2 C = 2πr
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.