a storage room is 6 m long,5m wide and3.5m in height. find the cost of white wash it at the rate of rs 12 /m square.
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length of storage room=6m
breadth of storage room=5m
height of storage room=3.5
area of four walls of room=2[(l+b)×h]
=2[(6+5)×3.5]
=2[11×3.5]
=2×38.5
=77m^2
cost of whitewashing it at the rate of 12m per square= 77×12
= 924rupees
breadth of storage room=5m
height of storage room=3.5
area of four walls of room=2[(l+b)×h]
=2[(6+5)×3.5]
=2[11×3.5]
=2×38.5
=77m^2
cost of whitewashing it at the rate of 12m per square= 77×12
= 924rupees
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