## If a cone with a diameter of 10 m has a surface area of 190.6m2, find its slant height. Round to the nearest tenth. Slant Height = m

Question

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## Answers ( )

Answer: The slant height of the cone is 65.6 mStep-by-step explanation:Given: The diameter of a cone = 10 m

Surface area of cone = 190.6 m²

To find: Slant height

Diameter of cone = 10 m

Therefore Radius of cone =

As we know that surface area of a cone is given by

Where S.A. is surface area , r is the radius of cone and l is the slant height of the cone.

Let Slant height = l

So we have

Hence the slant height of the cone is 65.6 m