The floor of a rectangular hall has a perimeter 250 m. If the cost of painting the four
walls at the rate of 10 per m² is *15000, find the height of the hall.
(Hint: Area of the four walls = Lateral surface area.]
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Answered by
34
Answer:
6 m.
Step-by-step explanation:
perimeter of the floor of a rectangular
hall = 250m [2(l+b)] ( given)
we have to find hight of the wall
area of wall = 2 (lh+bh)
= 1500m^2 (dividing 15000 by
10)
= 2h (l+b) = 1500m^2
= 2h × 125 = 1500
= 250h = 1500
height = 1500/250
height = 6m
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8
Answer:
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