Proof: Vertical Angles 1     

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1 = 3 4 = 6 1 = 4 2 = 5
1.	1.
4 = 5
1 = 2
2 = 3
1 = 3
4 = 6
1 = 4
2 = 5
5 = 6

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ProveIt! by Michael Ferraro <mferraro@balstaff.org>.
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