

Side Side Side PostulateProving Congruent Triangles with SSS
The Side Side Side postulate states that if three sides of one triangle are congruent to three sides of another triangle, then these two triangles are congruent.
Example 1
Given:$$ AB \cong BC, BD$$ is a median of side AC. Prove: $$ \triangle ABD \cong \triangle CBD $$ Theorems and Postulates for proving triangles congruent Hypotenuse Leg Theorem  Side Side Side  Side Angle Side  Angle Side Angle  Angle Angle Side isosceles triangle proofsCPCTC  indirect proof quiz on all theorems/postulates  Images Free Math Printable Worksheets: Worksheets & Activities on Triangle Proofs 