a swimming pool is 20m in length, 15m in breadth, 4m in depth. Find the cost of cementing it's floor and walls at $35per m square
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Answer:
L = 20m
B = 15m
H =4m
LSA = 2(l+b)*h
= 2(20+15)*4
= 2(35)*4
= 280m
Area of floor = l*b
= 20*15
= 300
Total area = 300+280
= 580m
Cost = 580*35
= RS. 20300
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