A room is 8m long and 6m broad and 5.5 meter high . It has one door of dimension 2.5 meter by 2m and two windows of each dimensions 1.5 meter by 1 meter. Find the cost of whitewashing the walls at rupees 3.20 per square. m.
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Answer:
Step-by-step explanation:
Area of roof=2(l+b)×h=2(8+6)×5.5=154
Area of door= 2.5×2=5
Area of 2 Windows= 1.5+1.5=3
ACT
= area of door + area of 2 Windows
= 5+3=8
= area of roof subtract area of window and door
=154-8=146
=146×3.20=467.20
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