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4.1: CONGRUENT FIGURES

4.1: CONGRUENT FIGURES. Objectives: To recognize congruent figures and their corresponding parts. Congruent figures: Same size, same shape Congruent Polygons: , corresponding parts If polygons are slid, flipped or turned, corresponding parts are still

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4.1: CONGRUENT FIGURES

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  1. 4.1: CONGRUENT FIGURES Objectives: To recognize congruent figures and their corresponding parts

  2. Congruent figures: • Same size, same shape • Congruent Polygons: • , corresponding parts • If polygons are slid, flipped or turned, corresponding parts are still • Matching sides and angles (sides and angles are in same position) • IF POLYGONS ARE , CORRESPONDING PARTS ARE

  3. Congruent Polygons ACBX PRQY C corresponds to B corresponds to corresponds to Congruency Statement: lists corresponding vertices in the same order

  4. ABCDE FGHIJ B J I A C H F E D G Find the m

  5. Two triangles are if : • They have 3 pairs of , corresponding sides • They have 3 pairs of , corresponding angles

  6. Theorem: If 2 of one triangle are congruent to 2 of another triangle, then the third are congruent. 30 30 90 90

  7. Can you prove these triangles are congruent?

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