A cone has a base radius 10 cm and slant height 18 cm. Work out the surface area of the cone. Give your answer in terms of pi (π).

asked Aug 1, 2017 147k views

3 votes

A cone has a base radius 10 cm and slant height 18 cm.

Work out the surface area of the cone.
Give your answer in terms of pi (π).

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3 votes

Surface Area of Cone = πrl

= π*10*18 = 180π

Surface Area = 180π cm²

Zganger answered Aug 5, 2017

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