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The surface area of the cone is 108π square feet. Find the slant height of the cone.

____ ft

 

Radius 4 ft

 Sep 23, 2018
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Here is the formula for the surface are of a cone.

Just plug the values in that you know and solve for h

 

then us pythagoras and solve for l  (slant height)

 

https://goo.gl/shoNTQ

 Sep 23, 2018

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