right triangle
yes
sss
You can't use SSA or ASS as a postulate because it doesn't determine that the triangles are congruent; right triangles are most likely determined by HL: hypotenuse leg- genius!
A proof uses postulates and theorems to prove some statement.
HL congruence theorem
geometry
right triangle
SSS
yes
Blah blah blah
ASA
SAS
SAS
Well, this will depend on the length of the sides of the triangle for what postulate or theorem you will be using.
ASA
SAS