1. Today, you will be able to:
Geometry Tuesday 12/9/14
Warm-ups
---Complete 4-1 Practice
---Check in/Discuss A#4.2
Discussion/Notes/Guided Practice
Sec. 4.6 Isosceles Triangles
Assignment:
A# #9-13 odd, 15-28, 35-37
Begin studying for Quiz – Sections 4.1, 4.2, 4.6
Today, you will be able to:
Use properties of Isosceles Triangles
Use properties of Equilateral Triangles
Success Criteria:
Q&A
Guided Practice
Homework
Quiz
Sections 4.1, 4.2, 4.6
Thurs 12/11
Wacky Tacky Wednesday
Throwback Thursday

2. Parts of Isosceles Triangles*

3. Isosceles Triangle Theorem
Converse of the Isosceles Triangle Theorem:

4. Guided Practice
Example #1

5. Self-Evaluation - Rate each learning target:
Guided Practice
Example #2
Name two congruent angles.
Name two congruent segments.
Self-Evaluation - Rate each learning target:
Use the properties of Isosceles Triangles

6. Equilateral Triangles

7. Self-Evaluation - Rate each learning target:
Guided Practice
Example #3
Triangle GHF is equilateral with 𝑚∠𝐹=3𝑥+4, and 𝑚∠𝐺=6𝑦, and 𝑚∠𝐻=19𝑧+3. Find x, y, and z.
∆𝐸𝐹𝐺 is equilateral, and 𝐸𝐻 bisects ∠𝐸.
Find 𝑚∠1 and 𝑚∠2.
Find x.
Self-Evaluation - Rate each learning target:
Use the properties of Isosceles Triangles

8. Assignment: A#4.6 Page 219 #9-13 odd, 15-28, 35-37 Quiz
Sections 4.1, 4.2, 4.6
Thurs 12/11