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10. The floor of a rectangular hall has a perimeter 250 m If the cost of painting the four walls at the
rate of Rs 10 per m^2 is Rs 15000, find the height of the hall.​

Respuesta :

devishri1977

Answer:

Step-by-step explanation:

Perimeter of floor = 250m

2*(l + b) = 250 m

Area of four wall=15000/10 =1500 m^2

2*h * (l + b) = 1500

2*(l +b) *h = 1500

250 * h = 1500             {as 2*(l+b) = 250}

h = 1500/250

h = 6 m

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