If the ratio of the sides of two similar triangles is 2:3, what is the ratio of their perimeters? of their areas?

1 Answer
Alan P.
Jun 22, 2017

Ratio of perimeters: #2:3#
Ratio of areas: #4:9#

Explanation:

If the ratio of similarity is #2:3# then this ratio applies to all linear measurements (including the perimeter).

If the ratio of similarity is #2:3# then the ratio of the areas is the square of the linear ratio.
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