a room has dimensions 5m×3m×2.5m
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First of all, find its CSA then subtract the area of doors and windows .Then multiply the difference by the cost. The answer will be 325 rupees.
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Total area of painting = area of 4 walls + area of roof - area of door + 3*area of window
= 2(lb+bh)+hl - lb+ 3*(lb)
= 2(15+7.5)+12.5 - 3+4.5
= 57.5 - 7.5
= 50m square
cost of painting = 50*10
= 500 rupee
if it helpful rate it brainliest
= 2(lb+bh)+hl - lb+ 3*(lb)
= 2(15+7.5)+12.5 - 3+4.5
= 57.5 - 7.5
= 50m square
cost of painting = 50*10
= 500 rupee
if it helpful rate it brainliest
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