4-1: Congruent Figures.  Congruent Polygons  Have congruent corresponding parts  Must list corresponding vertices in the same order when naming. Congruent.

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Presentation transcript:

4-1: Congruent Figures

 Congruent Polygons  Have congruent corresponding parts  Must list corresponding vertices in the same order when naming. Congruent Figures Complete Got It? #1 p. 219 Congruence Statement

Using Congruent Parts The sides of a roof suggest congruent triangles. What is the measure of ? Complete Got It? #2 p. 219

 If two angles of one triangle are congruent to two angles of another triangle, then the third angles are congruent. Theorem 4-1: Third Angles Theorem If… Then… and

Homework: p.222 #’s, 18-24, 35-39