a room is 8.5 metre long, 6.5 metre broad and 3.4 high. It has two doors, each measuring 1.5 by 1 and two windows, each measuring 2 metre by 1 metre. Find the cost of painting its four walls at rupees 160 per metre square.
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Step-by-step explanation:
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Answer:
95m^2
Step-by-step explanation:
l=8.5m
b=6.5m
h=3.4m
Area of doors= 1.5×1×2=3m^2
Area of windows=2×1×2=4m^2
Cost of painting= [2(l+b)h]-[area of doors+ area of windows)
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