An open water tank of dimensions 40 mx 20mx 12 m needs to be tiled with tiles of dimension 30 cm x 30 cm. Ifone tile costs 10.5, find the total cost of tiling. (Walls and floor need to be covered with tiles)
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Answer:
total surface area = 2(800+480+240)= 3040
area of 1 tile = 0.09
total tiles required x 10.5 is the total cost
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