xokimberlyyyy
xokimberlyyyy xokimberlyyyy
  • 25-09-2018
  • Mathematics
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Help a gal out please tysm

Help a gal out please tysm class=

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musiclover10045
musiclover10045 musiclover10045
  • 25-09-2018

The 2 angles are supplementary angles and need to equal 180 degrees.

The sum of both angles equal 180:

8X + 12X = 180

Add:

20X = 180

Divide both sides by 20:

X = 180/20

X = 9


Now replace X with 9 and solve:

8X = 8(9) = 72 degrees

12X = 12(9)  = 108 degrees

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