Asked by Titi
A swimming pool measures 25 m long and 10 m wide. It has a shallow end that is 1 m deep and gradually slopes down to a depth of 4 m at the deep end. The inside walls of the pool need repainting. Calculate the total area of the surfaces to be painted, to the nearest square metre
Answers
Answered by
oobleck
the long sides are trapezoids with area (1+4)/2 * 25
The ends are rectangles, with areas 1*10 and 4*10
the bottom is a rectangle with area 10*√(3^2 + 25^2)
The ends are rectangles, with areas 1*10 and 4*10
the bottom is a rectangle with area 10*√(3^2 + 25^2)
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