Question

A godown is 54 meters long 36 metres broad and 10 meters high.Find the cost of whitewashing its four walls at 7.50 per square metres

Answer 1

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Answer 2

lateral surface area of cuboid = 2(bh+hl)
2(36×10+54×10)
2(360+540)
2(900)
1800
area=1800 sq m
cost of painting=
7.50×1800
13500