schmitt71 schmitt71
  • 09-02-2019
  • Mathematics
contestada

Find the lengths of AB and CD in the parallelogram if AB is 5x+2 and CD is 8x-7​

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sqdancefan
sqdancefan sqdancefan
  • 10-02-2019

Answer:

  17

Step-by-step explanation:

Opposite sides of the parallelogram AB and CD are the same length, so ...

  5x +2 = 8x -7

  9 = 3x . . . . . . . . add 7-5x

  3 = x

  AB = 5x +2 = 5·3 +2

  AB = 17 = CD

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