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Lesson 2-8. Proof Review. Objectives. Write proofs. Vocabulary. No new vocabulary. Geometric Proof Worksheet. Given: 4x – 14 = 2x + 16 Prove: x = 15. Given: AD BE Prove: AB DE. A. B. C. D. E. Given: 2 is complimentary to 1 3 is complimentary to 4
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Lesson 2-8 Proof Review
Objectives • Write proofs
Vocabulary • No new vocabulary
Geometric Proof Worksheet Given: 4x – 14 = 2x + 16 Prove: x = 15
Given: AD BE Prove: AB DE A B C D E
Given: 2 is complimentary to 1 3 is complimentary to 4 2 4 Prove: 1 3 4 2 3 1
Given: Two intersecting lines Prove: 1 3 2 1 3 4 (i.e., Prove the Vertical Angle Theorem!)
Summary & Homework • Summary: • Proofs are a step-by-step deductive reasoning approach to problem solving using definitions, theorems, postulates and givens. • Homework: study for Quiz