The floor of a rectangular hall has a perimeter 250m.If the cost of painting the four walls at the rate of Rs 10 per meter square is Rs 15000,find the height of the wall.
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Given perimeter of the rectangular floor = 250 m
Hence 2(l + b) = 250
Therefore, (l + b) = 125 --- (1)
Area of four walls, A = 15000/10 = 1500 sq m
That is 2h(l + b) = 1500
2h x 125 = 1500
h = 1500/250 = 6
Thus the height of the hall is 6 m.
Hence 2(l + b) = 250
Therefore, (l + b) = 125 --- (1)
Area of four walls, A = 15000/10 = 1500 sq m
That is 2h(l + b) = 1500
2h x 125 = 1500
h = 1500/250 = 6
Thus the height of the hall is 6 m.
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