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Angelina_Jolie [31]
2 years ago
6

Please use the photo and do the prove for #13 because I’m having a really hard time. Thanks!

Mathematics
1 answer:
rewona [7]2 years ago
7 0

∠2 = ∠3 | Given

∠1 + ∠2 = 180 | Supplementary Angles Postule (If two angles are adjacent and                  ∠3 + ∠4 = 180|                                                        linear, they're supplementary)

∠1 + ∠2 = ∠3 + ∠4 | Transitive property

∠1 + ∠3 = ∠3 + ∠4 | Substitution property

∠1 = ∠4 | Subtraction Property

∠2 = ∠3 | Supplementary Congruent Theorem

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