a) $r = 4.5ft$ b) $C = 28.3ft$ c) $A = 63.6ft^2$
Work Step by Step
a) $r = 9\div2 = 4.5ft$ b) $C = 2*3.14*4.5 =28.3ft$ c) $A = 3.14*4.5^2 = 63.6ft^2$
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.