Asked by Sidney
The circumference of a circular stage is 157 feet. If Chris paints the stage at a rate of 400 square feet per hour, how long would it take to the nearest hour, for Chris to paint the entire stage?
Answers
Answered by
Reiny
let the radius be r ft
2πr = 157
r = 157/(2π) = 24.987.. ft
area = πr^2 = 1961.5 ft^2
time = 1961.5/400 = appr 4.9 hours
2πr = 157
r = 157/(2π) = 24.987.. ft
area = πr^2 = 1961.5 ft^2
time = 1961.5/400 = appr 4.9 hours
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