Provide reasons for the statements. Given: ∠1 and ∠3 are vertical angles. Prove: ∠1≅∠3 (Image below)
for each statement, try to think about what mathematical property makes it true for example, in statement 2, they stated that <1 and <2 as well as <2 and <3 are pairs of supplementary angles because they're linear pairs for statement 3, they stated that m<1 and m<2 add up to 180. by definition, supplementary angles add up to 180, so I would put "definition of supplementary angles" under the reason column. can you try with the rest of the statements? we can help if you get stuck
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