Four walls of a Conference hall of dimension 5.4m x 7.6m x 11.5m have to be painted. find the cost of painting at the rate of 45 per sqm. Explain
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Answer:
₹13,455
Step-by-step explanation:
l = 5.4m, b = 7.6m and h = 11.5m
Area of four walls of cuboid = 2h(l+b)
= 2×11.5( 5.4 + 7.6) sq. m
= 23×13 sq. m
= 299 sq. m
Cost of painting = ₹(299×45)
= ₹13,455
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