A Cylindrical pillar is 50cm in diameter and 3.5cm in height. Find the cost of painting the Curved Surface of the pillar at the rate of Rupess ₹12.50 per m²
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A Cylindrical pillar is 50cm in diameter and 3.5cm in height. Find the cost of painting the Curved Surface of the pillar at the rate of Rupess ₹12.50 per m²
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Answer:
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Diameter = 50 cm
Radius (r) = 50/2 = 25 cm
Height (h) = 3.5 cm
Curved surface area = 2πrh
= 2×22/7×25×3.5
= 550 cm²
= 0.055 m²
Cost for painting = ₹12.50×0.055
= ₹0.6875
Hope this answer will help you.