Question

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 m' is 15000, then find the
height of the hall
Hint Area of the four walls = Lateral surface area and pl tell what is 2 h l +b ​

Answer 1

Step-by-step explanation:

area of 4 walls = 15000/10 = 1500 sq.m

areea of 4 walls = perimeter of base *h

1500 = 250h

h = 1500/250

6 meter is the height of the hall

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