A liquid filter shaped as a right circular cone is shown below.

If a similar cone has a slant height of 15 cm, what is its lateral area?

Question

A liquid filter shaped as a right circular cone is shown below. 

If a similar cone has a slant height of 15 cm, what is its lateral area?

anonymous · Answer

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anonymous · Answer

since the cones are similar use the proportion to find the radius of the similar cone:
8/20 = x/15.
once you find the radius of the similar cone you can find the surface area.

anonymous · Answer

x must equal 6, so howw do I find the surface area of a cone with a slant height of 15 and a radius of 15?

anonymous · Answer

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