The Common Segments Theorem states that if a segment is combined with two congruent segments then the resulting segments are congruent. Use the questions on the next page to help complete the flow proof.

What is the segment congruence theorem?

Theorem (SCT: Segment Congruence Theorem). Two segments are congruent if and only if they have equal length. In symbols, … Two angles have equal measure if and only if they are congruent.

What is the common angle theorem?

If two angles adjacent to a common angle are congruent, then the overlapping angles formed are congruent.