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A vessel of conical shape of radius 14cm and slanted height 20cm is to be coloured. What is the cost of painting at a rate of ₹2/cm2? (Take π = \(\frac{22}{7}\))

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Total surface area of a right circular cone = π(r + l) r.

Volume of a right circular cone = 1/3π r2 h.


A vessel of conical shape of radius 14cm and slanted height 20cm is to be coloured. What is the cost of painting at a rate of ₹2/cm<sup>2</sup>? (Take π = \(\frac{22}{7}\))






 
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