A room has a length of 8m and breadth of 6m.if the cost of painting its four walls at the rate of 80 per meter square is RS 11200,find the height of the room
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area of painting =2h(l+b)-lb
area=11200/80
area=140m^2
140m^2=2h(14)-48
140+48m^2=2h(14)
188m^2/14m=2h
188m^2/28m=h
6.71m=h
area=11200/80
area=140m^2
140m^2=2h(14)-48
140+48m^2=2h(14)
188m^2/14m=2h
188m^2/28m=h
6.71m=h
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Answer:
Therefore Height of the room = 5m
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