Congruent Triangles

		Congurent triangles are perhaps the most important peice to 
	geometric proofs and reasoning.  It many geometry books it feals that
	half of what one does is prove that triangles are congruent.
because this it is important that on really understands how to prove that
two triangles are congruent.  There are a variety of methods for this and
all of them have handy names based on the parts of the triangle that are
used to show the congruence.

    The Methods Are:

  1. SSS
  2. SSA
  3. SAS
  4. ASA