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Question

Find the curved surface area of a cone with base radius 5.25 cm and slant height 10 cm.

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Solution

The formula of the curved surface area of a cone with base radius ‘r’ and slant height ‘l’ is given as

Curved Surface Area = πrl

Substituting the values of r = 5.25 cm and l = 10 cm in the above equation and using

Curved Surface Area =

=

=

Therefore the Curved Surface Area of the cone with the specified dimensions is


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