442,020 views
15 votes
15 votes
Try to do this by myself and up get confused

Try to do this by myself and up get confused-example-1
User Jspacek
by
3.0k points

1 Answer

23 votes
23 votes
By following the exterior angle theorem, the two inside angles should add up to the outside angle.

33 + 83 = angle1

Angle1 = 116
User Tkdave
by
3.0k points
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