Find the area of the four walls whose length is 40 m breadth is 9 M and height is 10 M also find the cost of whitewashing the wall if the rate of whitewashing 6.50 per metre square
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L = 40m B=9m h=10m
area of four wall = 2(L+b)×h
2(40+9)×10=2×49×10=980m².
cost of whitewashing =980×6.5=€6370m².
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area of four wall = 2(L+b)×h
2(40+9)×10=2×49×10=980m².
cost of whitewashing =980×6.5=€6370m².
answer
hope you help......
Plz mark me as brainlest
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