destineystewartdedg
destineystewartdedg destineystewartdedg
  • 23-02-2018
  • Mathematics
contestada

I need Geometry help!!!

I need Geometry help class=

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sqdancefan
sqdancefan sqdancefan
  • 23-02-2018
Vertical angles are equal, so
.. 3x +8 = 5x -20
.. 28 = 2x . . . . . . . . add 20-3x
.. 14 = x . . . . . . . . . . divide by 2

Each of the vertical angles is 3*14 +8 = 50°, so the supplementary one is 130°.
.. 5*14 +4y = 130
.. 4y = 60 . . . . . . . . subtract 70
.. y = 15 . . . . . . . . . . divide by 4

The values of interest are
.. x = 14
.. y = 15
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