SOLUTION: Find the exact area and circumference of a circle with a diameter of 18 inches

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Question 200215: Find the exact area and circumference of a circle with a diameter of 18 inches
Found 2 solutions by rfer, edjones:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
a=3.14r^2=3.14(9)^2=254.34 sq in
c=3.14d=3.14(18)=56.52 in

Answer by edjones(8007) About Me  (Show Source):