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19 November, 02:04

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

Question options:

A) 256/2401

B) 16/49

C) 64/343

D) 4/7

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Answers (2)
  1. 19 November, 02:32
    0
    I think it is 4/7 D.
  2. 19 November, 03:23
    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.
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