Copyright © by Holt, Rinehart and Winston. All Rights Reserved. Section 4-1 Congruent Polygons 4.1...
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Transcript of Copyright © by Holt, Rinehart and Winston. All Rights Reserved. Section 4-1 Congruent Polygons 4.1...
Copyright © by Holt, Rinehart and Winston. All Rights Reserved.
Section 4-1 Congruent Polygons
4.1 Congruent Polygons
Copyright © by Holt, Rinehart and Winston. All Rights Reserved.
Terms
4.1 Congruent Polygons
congruent polygons
Two polygons are congruent if and only if corresponding angles are congruent and corresponding sides are congruent
Copyright © by Holt, Rinehart and Winston. All Rights Reserved.
1) Name the following polygon
L M
NK
2) How many names are possible for a hexagon?
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3) Write corresponding parts
A
BC X
YZ
Copyright © by Holt, Rinehart and Winston. All Rights Reserved.
4.1 Congruent Polygons
Polygon Congruence Postulate:Two polygons are congruent if and only if there is a correspondence between their sides and angles such that:
Corresponding angles and sides are congruent.
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4.1 Congruent Polygons
4) Given: ABCD WXYZ.
Identify all pairs of congruent sides and angles.
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Proof5) Given: EX is the perpendicular
bisector Prove: FEXREX Δ≅Δ R
E
FX
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AssignmentPractice 28
Page 213 # 7,8,9,14-21,24,25,29,31 and 32
