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4-1: Congruent Figures

4-1: Congruent Figures. Congruency. Congruent figures have the same size and shape. ~. ~. ~. ~. ~. ~. ~. ~. ~. =. =. =. =. =. =. =. =. =. Congruent Polygons. -Congruent polygons have congruent corresponding parts – their matching sides and angles. B. Q. X. Y. ‹XB ‹YQ

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4-1: Congruent Figures

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  1. 4-1: Congruent Figures

  2. Congruency Congruent figures have the same size and shape.

  3. ~ ~ ~ ~ ~ ~ ~ ~ ~ = = = = = = = = = Congruent Polygons -Congruent polygons have congruent corresponding parts – their matching sides and angles. B Q X Y ‹XB ‹YQ ‹BC ‹QR ‹CA ‹RP ‹AX ‹PY ‹X ‹Y ‹B ‹Q ‹C ‹R ‹A ‹P P A C R XBCA YQRP

  4. ~ ~ ~ ~ ~ ~ ~ ~ ~ = = = = = = = = = Corresponding Angles and Sides? G D F A B C E H ‹A ‹G ‹D ‹H ‹C ‹E ‹B ‹F ‹AD ‹GH ‹DC ‹HE ‹CB ‹EF ‹BA ‹FG ADCB GHEF

  5. Solving for a variable. C W A R 132° 132° E B x 88° T P D S 88° 5 sides -2 = 3 * 180 = 540° total in the shape. 90 + 90 + 132 + 88 + x = 540 400 + x = 540 x = 140°

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