The perimeter of the floor of the hall is 250m.If the height is 4m. Find the cost of painting the 4 walls at the rate of Rs.12 per square meter
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Answer:
₹ 12000
Step-by-step explanation:
Given : Perimeter of the floor = 250 m
2(l + b) = 250 m
where, l = length, b = breadth
Height, h = 4 m
Now,
Lateral Surface Area of room = 2(l + b)h
= 250 × 4 = 1000 m²
Cost of 1 m² = ₹ 12 (given)
Cost of 1000 m² = ₹ 12 × 10³
= ₹ 12000
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