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Warm Up 9-29 • Solve for x and prove your answer: 1 5 a 2 3 6 7 b 4 8 Given: a//b ∠1 = 130 Prove: ∠7 = 50 Announcements • Test Friday! • HW: ▫ Pg 21: 26-29 ▫ Pg 104-105: 5 & 25-27 Red Folder Full Statements Reasons Round Robin • In groups of four each person take a turn to name an angle relationship TYPE (DO NOT SAY CONGRUENT OR SUPPLEMENTARY) • NO REPEATS • If you can not come up with an answer take a seat • Last person standing wins Proof Puzzle for the class If angles are… If angles are… Proof Puzzle Race • Given the problem below, order your two column proof in the correct order Proof Puzzle Race • Re-order your two column proof as a flow proof Use a flow chart: Texas Practice Exam • Complete texas practice exam