A water reservoir is 22m long. 16 m broad and 10m high.find the cost of cementing its floor and the four walls at the rate of rupya 19 /m
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Answer:
rs21128
Step-by-step explanation:
length of water reservoir=22m
breadth of water reservoir=16m
height of water reservoir=10m
area of floor=l×b
=22m×16m
=352m^2
area of four walls=2h(l+b)
=2×10×(22+16)
=760m^2
total area of cementing= area of floor+area of four walls
= 352m^2+760m^2
=1112m^2
cost of cementing at the rate of rs19 per m^2
=1112×19
=rs21128
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