The internal measures of a cubonidal room are length 12 m, breath 8 m and height 4m. Find the total cost of white washing all four walls and ceiling at the rate of Rs. 5 per m2.
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The internal measures of a cubonidal room are length 12 m, breath 8 m and height 4m. Find the total cost of white washing all four walls and ceiling at the rate of Rs. 5 per m2.
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Answer:
The dimensions of room is 12×8×4
The Lateral surface area is
2h(l+b)
2(4)(12+8)
8×20=160m2
Cost of white wash is 5m2
Total cost is 5×160=800Rs,
Answer:
Hope it will help you
Step-by-step explanation:
Area of cuboidal room = 2(l+b)Xh
Therefore= 2(12+8)4
= 2X20X4
=160m^2
Rate of white washing =Rs 5per m2
Total cost of white washing=160x5
=Rs800