the lateral surface area of a cubiod cabinet measuring 3m×2m×1m
is to be painted.find the cost of painting at the rate of rupees 80 per m square
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Step-by-step explanation:
lateral surface area of the cuboid= [2(l+b)×h]
= 2(3×2)×1
=12cm^2
cost of painting per square meter= ₹80
cost of painting 12cm^2= 12×80
= ₹960
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