A circular floor with a diameter of 12 m has to be waxed. A can of wax can cover 8 m². How many cans of wax will be needed to completely wax the floor?
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Answer:
area of circular floor = πr^2
. = 22/7×6×6
. = 22×36/7
. = 792/7
. = 113.14 m^2
no. of. cans = 113.14/8
. =14.14 cans
15 cans will be needed.
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