The total cost of painting a square wall is 2500 rupees at 100 rupees per sq.m.Find the perimeter of the wall.
The total cost of painting a square wall is 2500 rupees at 100 rupees per sq.m.Find the perimeter of the wall.
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Cost /m² = Rs 100
Area = 2500/100
= 25 m²
side = √25
= 5m
perimeter = 5×4
= 20 m
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