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Triangles (Congruence postulates (ASA, AAS, SAS, HL, SSS), Theorems…
Triangles
Congruence postulates
ASA
AAS
SAS
HL
SSS
Theorems
Triangle sum theorem
Exterior angle theorem
Base angles theorem
CPCTC
Classifying triangles
Classifying by sides
Scalene- No sides are equal
Isosceles- At least two equal sides and a base (Also have two congruent angles at the base)
Equilateral- All sides are equal
Classifying by angles
Scalene- All acute angles
Right- Has a right angle
Obtuse- Has an obtuse angle