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Unformatted text preview: Proving Triangles Congruent 100’s of free ppt’s from 100’s of free ppt’s from www.pptpoint.com www.pptpoint.com library library Two geometric figures with exactly the same size and shape. The Idea of a Congruence The Idea of a Congruence A C B D E F How much do you How much do you need to know. . . need to know. . . . . . about two triangles to prove that they are congruent? In Lesson 4.2, you learned that if all six pairs of corresponding parts (sides and angles) are congruent, then the triangles are congruent. Corresponding Parts Corresponding Parts ∆ ABC 2245 ∆ DEF B A C E D F 1. AB 2245 DE 2. BC 2245 EF 3. AC 2245 DF 4 . ∠ A 2245 ∠ D 5 . ∠ B 2245 ∠ E 6 . ∠ C 2245 ∠ F Do you need Do you need all six ?...
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This note was uploaded on 11/17/2011 for the course MATH 110 taught by Professor Staff during the Fall '08 term at BYU.
 Fall '08
 Staff
 Angles, Congruence

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