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

Respuesta :

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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