# Congruent Triangles?

- Author:
- Fred Blattner

- Topic:
- Triangles

## Two Sides and an Angle

We have seen the SAS Postulate (If two sides and the

*included*angle of one triangle are congruent to sides and the*included*angle of another triangle, then the triangles are congruent). Why is the word "included" included? Is it necessary? On this worksheet, we will try to find out.