Question

The floor of a rectangle has a perimeter 125m.If the cost of painting the four walls at the rate of Rs 10 per m2 is Rs 25000, find the height of the wall​

Answer 1

Answer:

20m

Step-by-step explanation:

cost of painting four walls at the rate of 10 per m²is 25000 , so lateral surface area =25000/10=2500

lateral surface area = 2(length+breadth)×h

=perimeter ×h

so,2500=125×h

h=20m

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