A cone has a radius of 3 inches and a slant height of 12 inches.

What is the exact surface area of a similar cone whose radius is 6 inches?

Enter your answer in the box.

Surface area of similar cone = 1$ in²

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A cone has a radius of 3 inches and a slant height of 12 inches What is the exact surface area of a similar cone whose radius is 6 inches Enter your answer in t class=