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28 September, 00:49

Polygon r and polygon s are similar. the perimeter of polygon r is 72 cm, and the perimeter of polygon s is 36 cm. if one side of polygon s is 6 cm, what is the length of the corresponding side in polygon r?

A. 3 cm

B. 12 cm

C. 36 cm

D. 6 cm

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Answers (1)
  1. 28 September, 01:12
    0
    Perimeter r / perimeter s = side r / side s

    Perimeter r = 72 cm

    Perimeter s = 36 cm

    Side r = ?

    Side s = 6 cm

    72/36 = side_r / 6 Cross multiply

    72 * 6 = 36 * side_r

    432 = 36 side_r Divide by 36

    432 / 36 = side_r

    12 = side_r
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