miafarnham29 miafarnham29

29-03-2016
Mathematics

Answered

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).

Verified Answer :

olemakpadu olemakpadu

29-03-2016

Surface Area of Cone = πrl

= π1018 = 180π

Surface Area = 180π cm²

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