Stephanie Lalos Theorem 50 The sum of measures of the three angles of a triangle is 180o A B C 60 40 80 o Proof According to the parallel postulate, there exists exactly…
BY: KELLAN HIRSCHLER AND KATHERINE ROSENCRANCE Section 3.7 Angle-Side Theorems Theorem 20: If two sides of a triangle are congruent, the angles opposite the sides are congruent.…
CHAPTER 9.10 TRIGONOMETRIC RATIOS By: Arielle Green Mod 9 Sin = Cos = Tan = VOCABULARY Angle of Elevation – the angle between an upward line of sight and the horizontal…
Chapter 3.3 CPCTC and Circles Megan OâDonnell 9 5/30/08 Objectives After studying this section you will be able to understand the following: The principle of CPCTC The basic…
By Kacey Olver, Tom Jubon, and Laine Murphy Section 2.4 Section 2.4 Section 2.4 Section 2.4 Statements Reasons 1. Statements Reasons 1. Given: Given: Given: Seg KM is perp…
Stephanie Lalos Theorem 50 The sum of measures of the three angles of a triangle is 180o A B C 60 40 80 o Proof According to the parallel postulate, there exists exactly…