A circular coffee table has a diameter of 5ft.?

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A circular coffee table has a diameter of 5ft.?

A circular coffee table has a diameter of 5ft. What will it cost to have the top refinished if the company charges $3 per square foot for the refinishing?

2007-11-15 09:26:08 · 4 answers · asked by Bnbadangel 1 in Science & Mathematics ➔ Mathematics

4 answers

75pi dollars = $235.62

2007-11-15 09:30:33 · answer #1 · answered by ironduke8159 7 · 0⤊ 1⤋

Area = pi r^2 = 3.14159(5^2) = 78.53975
Cost = $3/square foot x 78.53975 sq feet = $235.62

2007-11-15 17:32:51 · answer #2 · answered by kellenraid 6 · 0⤊ 1⤋

Pi r^2

not too difficult
pi*2.5*2.5 = 19.64 sq ft

times 3 = 58.9 (dollars)

(58.90486225)

2007-11-15 17:37:21 · answer #3 · answered by Anonymous · 0⤊ 0⤋

pi * (5/2)^2 * 3 = 58.88$

2007-11-15 17:31:54 · answer #4 · answered by tinhnghichtlmt 3 · 1⤊ 1⤋