Stephanie Lalos. Theorem 50 The sum of measures of the three angles of a triangle is 180 o A B C 60 4080 o.
Section 3.7 Angle-Side Theorems
Chapter 9.10 Trigonometric Ratios
Section 3.2 Three Ways to Prove Triangles Congruent
Chapter 3.3 CPCTC and Circles
Section 2.4 Theorems By Kacey Olver, Tom Jubon, and Laine Murphy.
Section 7.1 – Triangle Application Theorems
