Question

3. 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.]


achaa answer do...=_=​

Answer 1

Answer:

6M

Step-by-step explanation:

Perimeter of floor = 250m

2(l+b)= 250

ii) Area of walls = 15000/10

= 1500m square

2lh + 2bh = 1500

2h(l+b) = 1500

h = 1500/250

= 6

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Answer 2

Answer:

6M

Step-by-step explanation:

Perimeter of floor = 250m

2(l+b)= 250

ii) Area of walls = 15000/10

= 1500m square

2lh + 2bh = 1500

2h(l+b) = 1500

h = 1500/250

= 6

SO THE ANSWER IS 6 M..

Step-by-step explanation:

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