the internal measure of the room are 12 × 8 cm × 8 cm find the total cost of white washing for all four walls of room. if the cost of whitewashing is rupees 5 per metre square .
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Answer:
the answer is 800 rs
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=160m2
Cost of white wash is 5m2
Total cost is 5×160=800Rs,
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