29. A swimming pool is 20 m in length, 15 m in breadth and 4 m m depth. Find
the cost of cementing its walls and floor at the rate of 5 per m². Also, find
the water required to fill the swimming pool completely..
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Answer:
Step-by-step explanation:
Length= 20m
Breadth= 15m
Height= 4m
CSA = 2(L*B)H + lb
=2(20+15)4 + 20*15
= 2*35*4+300
=280+300
=580m^2
cost=580*5
=2900 rupees
To find the water quantity we'll need to find it's volume-
volume= l*b*h
=1200
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Step-by-step explanation:
this is ur answer in photo
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