The internal measures of a cuboidal room are 12cm×8m×4m.find the total cost of white washing the four walls of the room if the cost per m2 is the Rs 15
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Step-by-step explanation:
The dimensions of room is 12×8×4
The Lateral surface area is =2h(l+b)
=2(4)(12+8)
=8×20
=160m^2
Cost of white wash is 15m^2
Total cost is 15×160=2400Rs
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