Find the curved surface area of a cone with base diameter 30 cm and height 40cm.

asked Dec 18, 2021 146k views

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Answer:

the diameter of the base is 15cm. Find the curved surface area of cone. Solution: Given that, Slant height: l = 20cm

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Slant = root of 30^2 + 40^2 = 50

Curved surface area = pi *r*l

pi*15*50

= 750*pi = 750*3.14

= 2355 cm ^2

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