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Name:____________________ Hour:_____________________ Date:_____________________ eometry G hapter2ReviewOutline...
Name:____________________ Hour:_____________________ Date:_____________________ eometry G hapter2ReviewOutline C 1. Parallellinesneverintersect. 2. Usethesetheoremswhenyouknowtwolinesareparallel: a. Same-SideInteriorAnglesPostulate i. Iflinesareparallel,thensame-sideinterioranglesaresupplementary. b. AlternateInteriorAnglesTheorem i. Iflinesareparallel,thenalternateinterioranglesarecongruent. c. CorrespondingAnglesTheorem i. Iflinesareparallel,thencorrespondinganglesarecongruent. d. AlternateExteriorAnglesTheorem i. Iflinesareparallel,thenalternateexterioranglesarecongruent. 3. Usethesetheoremswhentryingtoprovelinesareparallel(ormakethemparallel): a. ConverseoftheSame-SideInteriorAnglesPostulate i. Ifsame-sideinterioranglesaresupplementary,thenthelinesareparallel. b. ConverseoftheAlternateInteriorAnglesTheorem i. Ifalternateinterioranglesarecongruent,thenthelinesareparallel. c. ConverseoftheCorrespondingAnglesTheorem i. Ifcorrespondinganglesarecongruent,thenthelinesareparallel. d. ConverseoftheAlternateExteriorAnglesTheorem i. Ifalternateexterioranglesarecongruent,thenthelinesareparallel. 4. TriangleAngle-SumTheorem a. Thethreeanglesinatriangleaddupto180o. 5. TriangleExteriorAnglesTheorem a. Theexteriorangleofatriangleisequaltothesumofthetworemoteinterior angles. 𝑦2−𝑦1 6. Slopeformula:𝑚 = 𝑥2 −𝑥1 7. Slopeinterceptform:𝑦 = 𝑚𝑥 + 𝑏 8. Pointslopeformula:𝑦 − 𝑦1 = 𝑚(𝑥 − 𝑥1 ) 9. Usethepoint-slopeformulawhenyouknowtheslopeandapointontheline. 10.Parallellineshavethesameslope. 11.Perpendicularlinesintersectatarightangle. 12.Perpendicularlineshaveslopesthatarenegativereciprocals.