Triangle Congruency Geometry Expressions Name: _________________
Side-Side-Side (SSS) Congruency Conjecture
Draw two triangles using the POLYGON TOOL.
Mark 3 sets of congruent sides.
Pull on a vertex.
Are the triangles congruent? _______
Show an adult (or the student TA) your screen and have them initial here. ______
Side-Angle-Side (SAS) Congruency Conjecture
Draw two triangles using the POLYGON TOOL.
Mark 2 sets of congruent sides.
Constrain the angle between the two congruent sides. Type an “a” for the measure of both angles.
Pull on a vertex.
Are the triangles congruent? _______
Show an adult (or the student TA) your screen and have them initial here. ______
Side-Side-Angle (SSA) Congruency Conjecture
Draw two triangles using the POLYGON TOOL.
Mark 2 sets of congruent sides.
Constrain the angle NOT between the two congruent sides. Type a “b” for the measure of both angles.
Pull on a vertex.
Are the triangles congruent? _______
Show an adult (or the student TA) your screen and have them initial here. ______
Angle-Side-Angle (ASA) Congruency Conjecture
Draw two triangles using the POLYGON TOOL.
Mark 1 sets of congruent sides.
Constrain the 2 sets of angles between the triangles. Type an angle “e” and “f” for the measure of both angles on both triangles.
Pull on a vertex.
Are the triangles congruent? _______
Show an adult (or the student TA) your screen and have them initial here. ______
Side-Angle-Angle (SAA) Congruency Conjecture
Draw two triangles using the POLYGON TOOL.
Mark 1 set of congruent sides.
Constrain the angles NOT on both sides of the segment. Type an angle “g” and “h” for the measure of both angles.
Pull on a vertex.
Are the triangles congruent? _______
Show an adult (or the student TA) your screen and have them initial here. ______
Angle-Angle-Angle (AAA) Congruency Conjecture
Draw two triangles using the POLYGON TOOL.
Constrain all the angles. Type an angle “i” “j” and “k” for the measure of both angles.
Pull on a vertex.
Are the triangles congruent? _______
Show an adult (or the student TA) your screen and have them initial here. ______