1. 4.6: Isosceles and Equilateral Triangles
Agenda:
Check Homework
Notes
Skills Check

2. I hope you had a happy Halloween!

4. Vocabulary legs of an isosceles triangle vertex angle base angles
 vertex angle
 base angles
 Isosceles Triangle Theorem
 Convers Isosceles Triangle Theorem

5. Example 1 a) Name two unmarked congruent angles.
b) Name two unmarked congruent segments.

6. Example 1
c) Which statement correctly names two congruent angles?

7. Vocabulary
Equilateral Triangle
(4.3)
(4.4)

8. Example 2
Find m∠R.
b) Find PR.

9. Example 3
Find the value of each variable.

10. Example 4
Write a two column proof.