Asked by joel
What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 4:3?
Answers
Answered by
Reiny
areas ...
the areas of similar figures are proportional to the square of their corresponding sides.
so 4^2 : 3^2 or 16 : 9
the areas of similar figures are proportional to the square of their corresponding sides.
so 4^2 : 3^2 or 16 : 9
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