The video looks at three pairs of triangles and demonstrates how the triangles are congruent using Side Side Side postulate.
The video will help with the Common Core Standard G.CO.8
The video answers these questions.
What does a SSS triangle looks like?
How do you compare two congruent triangles by looking at the triangle markings?
How do you show triangles are congruent by listing which three sides are congruent?
How do you prove two triangles are congruent using SSS?