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TheUg · Answer 1 · 2018-11-11T03:05:20+0000

circumference of a circle = 2 * (pi) * r...when r = 5
C = 2 * (pi) * 5
C = 10(pi) ft <===

A = (pi) * r^2
A = (pi) * 5^2
A = 25 (pi) ft^2 <===

A = 25(3.14) = 78.5....so there is 78.5 square ft....at 4.50 per square ft...
78.5 * 4.50 = $ 353.25 <==

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