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How do you do this geometry problem
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1 vote
How do you do this geometry problem

How do you do this geometry problem-example-1
User Dmitry Vasiliev
by
8.8k points

1 Answer

6 votes
These two angles are equal to 180 other by the Same Side Angle Theorem (angles that are facing inwards from parallel lines are equal to 180). We can do
3x-10+5x+30=180
8x-20=180
8x=200
x=25

:)
User NewQueries
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8.3k points
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