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Proving Triangles Congruent. jc-schools.net/ PPT / geometry congruence. ppt. Angle-Side-Angle (ASA). Postulate 8-3: If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the two triangles are congruent.
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Proving Triangles Congruent jc-schools.net/PPT/geometrycongruence.ppt
Angle-Side-Angle (ASA) Postulate 8-3: If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the two triangles are congruent.
Angle-Side-Angle (ASA) B E F A C D • A D • AB DE • B E ABC DEF included side jc-schools.net/PPT/geometrycongruence.ppt
Angle-Angle-Side (AAS) Theorem 8-1: If two angles and the nonincluded side of one triangle are congruent to two angles and the nonincluded side of another triangle, then the two triangles are congruent.
Angle-Angle-Side (AAS) B E F A C D • A D • B E • BC EF ABC DEF Non-included side jc-schools.net/PPT/geometrycongruence.ppt
Warning: No SSA Postulate There is no such thing as an SSA postulate! E B F A C D NOT CONGRUENT jc-schools.net/PPT/geometrycongruence.ppt
Warning: No AAA Postulate There is no such thing as an AAA postulate! E B A C F D NOT CONGRUENT jc-schools.net/PPT/geometrycongruence.ppt
SSS correspondence • ASA correspondence • SAS correspondence • AAS correspondence • SSA correspondence • AAA correspondence The Congruence Postulates jc-schools.net/PPT/geometrycongruence.ppt
Name That Postulate (when possible) SAS ASA SSA SSS jc-schools.net/PPT/geometrycongruence.ppt
Name That Postulate (when possible) AAA ASA SSA SAS jc-schools.net/PPT/geometrycongruence.ppt
Let’s Practice ACFE Indicate the additional information needed to enable us to apply the specified congruence postulate. For ASA: B D For SAS: AF For AAS: jc-schools.net/PPT/geometrycongruence.ppt
Another Indicate the additional information needed to enable us to apply the specified congruence postulate. For ASA: For SAS: For AAS: jc-schools.net/PPT/geometrycongruence.ppt
Homework Work Packet: ASA and AAS