christmanbrandownklv christmanbrandownklv

14-12-2017
Mathematics

contestada

Help Geometry I need this answer please

Help Geometry I need this answer please class=

Respuesta :

trombonebookworm trombonebookworm

14-12-2017

According to the vertical angle theorem, vertical angles are congruent.

So, we can set up the equation 7x+1=120.

Solve.

7x=119
x=17

Since the only answer choice with x=17 is the last choice, it is the answer.

Hope this helps!

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