remove cost of the cuboid if the cost for 1m square is 100 rs , except top and front side if the length,breadth and height respectively are 30,10 and 20
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Given :-
Length = 30m
Breadth = 10m
Height = 20m
Cost of painting 1m² = Rs 100
To find :-
Area to be painted = TSA of cuboid - Area of top & front side
= 2(lb + bh + lh) - (lb + lh)
= 2(300 + 200 + 600) - (300 + 200)
= 2200 - 500
= 1700m²
Cost of painting 1700m² = Rs 170,000
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Ayush olakhla ka
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