4.2 Triangle Congruence by SSS and SAS 2010.pdf
4.2 Triangle Congruence by SSS and SAS 2010.pdf
4.2 Triangle Congruence by SSS and SAS 2010.pdf
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<strong>4.2</strong> <strong>Triangle</strong> <strong>Congruence</strong> <strong>by</strong> <strong>SSS</strong> <strong>and</strong> <strong>SAS</strong> 2010October 26, 201042 <strong>Triangle</strong> <strong>Congruence</strong> Theorems<strong>SSS</strong> <strong>and</strong> <strong>SAS</strong>Objective:Prove that two triangles are congruentusing the <strong>SSS</strong> <strong>and</strong> <strong>SAS</strong> Postulates.Oct 286:54 AM1
<strong>4.2</strong> <strong>Triangle</strong> <strong>Congruence</strong> <strong>by</strong> <strong>SSS</strong> <strong>and</strong> <strong>SAS</strong> 2010October 26, 2010Nov 167:30 AM2
<strong>4.2</strong> <strong>Triangle</strong> <strong>Congruence</strong> <strong>by</strong> <strong>SSS</strong> <strong>and</strong> <strong>SAS</strong> 2010October 26, 2010Review:Nov 167:32 AM3
<strong>4.2</strong> <strong>Triangle</strong> <strong>Congruence</strong> <strong>by</strong> <strong>SSS</strong> <strong>and</strong> <strong>SAS</strong> 2010October 26, 2010Open AttachmentsOct 286:57 AM4
<strong>4.2</strong> <strong>Triangle</strong> <strong>Congruence</strong> <strong>by</strong> <strong>SSS</strong> <strong>and</strong> <strong>SAS</strong> 2010October 26, 2010Example #1: The bridge girders are the same size, as marked.Statements Reasons1. 1. Given2. 2. Given3. 3. Reflexive Property of ≅4. 4. <strong>SSS</strong>Nov 167:33 AM5
<strong>4.2</strong> <strong>Triangle</strong> <strong>Congruence</strong> <strong>by</strong> <strong>SSS</strong> <strong>and</strong> <strong>SAS</strong> 2010October 26, 2010Example #2:Statements Reasons1. 1.2. 2.3. 3.4. 4.Nov 167:59 AM6
<strong>4.2</strong> <strong>Triangle</strong> <strong>Congruence</strong> <strong>by</strong> <strong>SSS</strong> <strong>and</strong> <strong>SAS</strong> 2010October 26, 2010Nov 168:00 AM7
<strong>4.2</strong> <strong>Triangle</strong> <strong>Congruence</strong> <strong>by</strong> <strong>SSS</strong> <strong>and</strong> <strong>SAS</strong> 2010October 26, 2010Example #3:Nov 168:00 AM8
<strong>4.2</strong> <strong>Triangle</strong> <strong>Congruence</strong> <strong>by</strong> <strong>SSS</strong> <strong>and</strong> <strong>SAS</strong> 2010October 26, 2010Example #4:Nov 168:04 AM9
<strong>4.2</strong> <strong>Triangle</strong> <strong>Congruence</strong> <strong>by</strong> <strong>SSS</strong> <strong>and</strong> <strong>SAS</strong> 2010October 26, 2010So, here are the two triangle congruence shortcuts for today!<strong>SSS</strong>Side-Side-Side<strong>SAS</strong>Side-Angle-Side(The angle is included within the sides.)Oct 287:00 AM10
<strong>4.2</strong> <strong>Triangle</strong> <strong>Congruence</strong> <strong>by</strong> <strong>SSS</strong> <strong>and</strong> <strong>SAS</strong> 2010October 26, 2010HOMEWORK:p. 208 #2-13,20-26Oct 287:10 AM11
Attachments<strong>Triangle</strong>s.gsp
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