Geometry for Elementary School/The Side-Angle-Angle congruence theorem

Geometry for Elementary School
The Angle-Side-Angle congruence theorem The Side-Angle-Angle congruence theorem The Right angle-Hypotenuse-Side congruence theorem

In this chapter, we will discuss yet another congruence theorem, the Side-Angle-Angle congruence theorem, usually abbreviated as SAA(or AAS - Angle-Angle-Side , commonly used in India)

The Angle-Side-Angle congruence theorem


Given two triangles   and   such that their sides are equal, hence: 

  1. The angle   equals  .(they have the same angle  )
  2. The angle   equals  .(they have the same angle  )
  3. The side   equals  .(they have the same side  )

Then the triangles are congruent and their other angles and sides are equal too.