'Adjacent acute angles' diaporamas de présentation

GR + RE = GE

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3.2 Proof and Perpendicular Lines

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Geometry Review 1 st Quarter

Geometry Review 1 st Quarter. Definitions Theorems Parts of Proofs. Definitions. Another name for an if-then statement is a conditional . Every conditional has two parts. The part following the if is the hypothesis , and the part following the then is the conclusion .

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Section 2-5: Perpendicular Lines

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Lesson 3.2 Proof and Perpendicular Lines

Lesson 3.2 Proof and Perpendicular Lines. D. A. B. C. Theorem 3.1. If two lines intersect to form a linear pair of congruent angles, then the lines are Ex 1. m<ABD = m<DBC and a linear pair, DB AC. F. J. G. H. Theorem 3.2.

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