Question

the room is 8 metre long 6 metre broad and 5.5 metre height it has One dimension 2.5 metre by 2 and 2 Windows each of dimension 1.5 metre find the cost of whitewashing the was at rupees 3.20 per square metre​

Answer 1

Answer:

area of walls to be whitewashed = area of walls − area of doors and Windows

=2h(l+b)−2×2.5−1.5×2

264−5−3

=256m

2

cost of whitewash =256×3.2

=819.2rs

Answer 2

Answer:

Area of walls to be whitewashed = area of walls - area of doors and Windows

=2h (l+b) - 2×2.5-1.5×2

264-5-3

=256 m ^2

cost of whitewash = 256×3.2

=819.2 rs

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Step-by-step explanation:

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