SOLUTION: A cone is enlarged so that each side is 7 times as big as the original. How many times greater is the surface area of the enlarged cone than the original?

Question 1033263: A cone is enlarged so that each side is 7 times as big as the original. How many times greater is the surface area of the enlarged cone than the original?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
volume, ;

, for the original volume.

Making all the linear measures 7 times larger:

Compare V with v.
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
In 49 times, regarding the surface area.

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