Download WELCOME to TINKERTOY DAY SSS Side-Side

10/05/12 AccGeo2 3.2a
WELCOME to TINKERTOY DAY
SSS ... Side-Side-Side Congruence
If all 3 pairs of sides of one triangle are congruent
to all 3 pairs of sides of another triangle, then the 2
triangles are congruent.
In our proofs, we will use 'SSS' as the entire reason.
Lessons Page 1
SAS … Side-Angle-Side Congruence
If 2 pairs of sides and the ANGLE Formed by the
congruent sides are congruent to 2 pairs of sides
and the angle formed by them on another triangle,
then the 2 triangles are congruent.
DONKEY FREE ZONE - No Donkeys Allowed
In our proofs, we will use 'SAS' as the entire reason.
ASA … Angle-Side-Angle Congruence
If 2 pairs of angles and the side between those
angles are congruent to 2 pairs of angles and the
side between those angles of another triangle, then
the triangles are congruent.
In our proofs, we will use 'ASA' as the entire reason.
Example:
Given:
Prove:
Lessons Page 2
Lessons Page 3
Assignment
3.2 #1-4, 6-8
Lessons Page 4