SOLUTION: A cone has a radius of 12 inches and a surface area of 1050 square inches. What is the slant height of a cone to the nearest tenth of an inch?

Question 536369: A cone has a radius of 12 inches and a surface area of 1050 square inches. What is the slant height of a cone to the nearest tenth of an inch?
Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!
Surface area of a cone is .

Here r=12 and SA=1050.

Subtract the from both sides.

Divide both sides by the 3.141592(which is pi)*12.

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