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Published byAshlee Elliott Modified over 9 years ago
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the third angles are congruent C F Polygons that have congruent corresponding parts. That is, corresponding vertices, angles, and sides are congruent. DEF GHI Find these definitions on page 198 and fill them out in your notes.
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TC BC QJ
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180 48 m<M 48 67 115 65
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We are able to conclude that two triangles are congruent if their corresponding sides and corresponding angles are congruent to each other.
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<DEC <DCE Is NOT DC DE EC <CDE <DEC <ACB ABCEDC
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Given Reflexive Given Definition of perpendicular lines. All right angles congruent. <CGN congruent to <DGN congruent. 4-1 congruent.
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Given <ABE congruent to <DBC Theorem 4-1 – If 2 angles are congruent in 2 triangles, then their 3 rd angles are congruent. Given Definition of congruent triangles
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Geometry 1 st and 3 rd period Practice 4.1, pg. 201, 16, 18, 32, 34 Honors Geometry 5 th period Practice 4.1, pg 201, 16, 18, 32, 34, 44
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