19-04-2020
Mathematics

contestada

please please help with parallelogram problem

please please help with parallelogram problem class=

Respuesta :

mrtutor23 mrtutor23

19-04-2020

Answer:

x = 19

Step-by-step explanation:

A straight line = 180 degrees

So.........

6x + 3x+ 9 = 180

9x + 9 = 180

- 9 -9 (Subtract both sides by 9)

_____________

9x = 171

x = 19 (Divide both sides by 9)

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