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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).

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
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
User DimiDak
by
6.9k points

1 Answer

3 votes
Surface Area of Cone = πrl

= π*10*18 = 180π

Surface Area = 180π cm²
answered
User Zganger
by
7.6k points
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