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30 August, 16:51

If the ratio of the corresponding side lengths of two similar polygons is 5:9, what is the ratio of their perimeters?

A.

5:9

B.

10:9

C.

25:81

D.

10:81

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Answers (1)
  1. 30 August, 16:56
    0
    P1 = 5a+5b+5c = 5 (a+b+c)

    p2 = 9a+9b+9c = 9 (a+b+c)

    razão = 5:9
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