find the cost of whitewashing the four walls of dimension 12m ×9m × 5m at the rate of 75 per meter square . what will be the cost of whitewahing if the roof is also to be whitewashed.
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Answer:
Step-by-step explanation:
total surface area of cuboid =2(lb +bh +hl)
= 2[(12X9)+(9X5)+(5X12)]
= 2[213]
= 426 m³
cost to white wash = 426 X 75 = 31,950
kunal18489:
but after that we have to find the area of whitewashing including roof
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