SOLUTION: FP intersects XS at O. 1 and 2 are supplementary as well as 3 and 2. Prove that 1 and 2 are vertical angles?

Question 1165083: FP intersects XS at O. 1 and 2 are supplementary as well as 3 and 2. Prove that 1 and 2 are vertical angles?

Found 2 solutions by solver91311, ikleyn:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Not sure what you are talking about. The only way that two angles formed by intersecting lines can be both supplementary and vertical is if the lines are perpendicular.

John

My calculator said it, I believe it, that settles it

Answer by ikleyn(52877) (Show Source): You can put this solution on YOUR website!
.

From your post, as it is worded, printed and presented, we can not conclude by a unique way

on how the angles are disposed and how they do interrelate each to other.

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