Math 2 Calendar
Unit 1: Triangles & Congruence
Congruent triangles and the SSS postulate/criterion
: Sal explains what it means for triangles to be congruent and what is a postulate/axiom. He also presents the SSS congruence postulate/criterion and its justification.
More on why SSA is not a postulate
: SSA special cases including RSH
Proof: Sum of measures of angles in a triangle are 180
: Proof that the sum of the measures of the angles in a triangle are 180
How to determine whether two triangle are congruent (example)
: Sal uses the SSS, ASA, SAS, and AAS postulates to find congruent triangles.
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