Find the area of the four walls whose length breadth and high are 8m 6m and 5m ignoring the door windows and other openings find the cost of whitewashing cost at the rate ofRs 7pre sq m
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area of two opposite walls =2lh
=2×8×5=80m2
area of other two opposite walls=2bh
=2×6×5=60m2
total area=140m2
cost=140×7=980
=2×8×5=80m2
area of other two opposite walls=2bh
=2×6×5=60m2
total area=140m2
cost=140×7=980
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