SOLUTION: The circumference of a circle is 80 inches. Find the radius to the nearest tenth of an inch.

Question 213541: The circumference of a circle is 80 inches. Find the radius to the nearest tenth of an inch.
Found 2 solutions by rfer, checkley77:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
C=3.14d
d/2=r
(80/3.14)/2=12.7 in
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
80=2*PI*R
80=2*3.14*R
80=6.28*R
R=80/6.28
R=12.7 INCHES IS THE RADIUS.
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