8-3 Congruent Polygons p.
420
• Congruent Polygons - same size and shape
• When naming congruent polygons, always list
the corresponding vertices in the same order.
• The tick marks on diagrams tell you which
sides are congruent.
• The arcs tell you which angles are congruent.
8-3 Congruent Polygons p.
420
• Congruent Triangles
• To demonstrate that two triangles are
congruent, show the following parts of one
triangle are congruent to the corresponding
parts of the other triangle.
• Side-Side-Side (SSS)
• Side-Angle-Side (SAS)
• Angle-Side-Angle (ASA)
8-3 Congruent Polygons p.
420
• Side- Side-Side (SSS)
8-3 Congruent Polygons p.
420
• Side-Angle-Side (SAS)
The congruent corresponding angle must lie
between the congruent corresponding sides.
8-3 Congruent Polygons p.
420
• Angle-Side-Angle (ASA)
The congruent corrsponding side must lie
between the congruent corresponding angles.