Question

how do you prove the vertical angle theorem?

Answer 1

Vertical Angles Theorem. In the figure, 1 3 and 2 4. Proof: 1 and 2 form a linear pair, so by the Supplement Postulate, they are supplementary.

Answer 2

but I need to know sum bout angles too

Answer 3

http://hotmath.com/hotmath_help/topics/vertical-angles-theorem.html

Answer 4

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Answer 5

thanks :)

Answer 6

Anytime :)