3 years ago

The areas of two similar triangles have a ratio of 16:49. What is the ratio of their perimeters?

2 answers:

4 0

The ratio of areas is the square of the ratio of perimeters (or any linear measure). Then the ratio of perimeters is the square root of the ratio of areas:
.. √(16/49) = 4/7

Selection D is appropriate.

Lesechka [4]3 years ago

4 0

I think it is 4/7 D.

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