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4.1 Congruent Figures

4.1 Congruent Figures. Congruent figures have the same size and shape. When two figures are congruent, you can slide, flip, or turn one so that it fits exactly on the other one. Congruent Figures.

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4.1 Congruent Figures

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  1. 4.1 Congruent Figures • Congruent figures have the same size and shape. • When two figures are congruent, you can slide, flip, or turn one so that it fits exactly on the other one.

  2. Congruent Figures • Congruent Polygons have congruent corresponding parts – their matching sides and angles. When you name congruent polygons, you must list corresponding vertices in the same order.

  3. Finding Congruent Parts • If HIJK LMNO, what are the congruent corresponding parts?

  4. Theorem 4.1 – Third Angles Theorem • If two angles of one triangle are congruent to two angles of another triangle, then the third angles are congruent.

  5. Examples 3 and 4 • See textbook p. 220 – 221 for the two examples.

  6. More Practice!!!!! • Homework – Textbook p. 222 # 8 – 31.

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