samseederz samseederz

13-02-2020
Mathematics

contestada

find the value of x

find the value of x class=

Respuesta :

joshnajd joshnajd

19-02-2020

x = 20 is the answer.

Step-by-step explanation:

When a parallel lines cut by a transversal, then the alternate exterior angles are congruent.

So the given 2 angles add up to 180 degrees.

5x+ 9 + 3x+ 11 = 180

8x + 20 = 180

8x = 180 - 20 = 160

x = 160/8 = 20

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