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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#4.6 219 #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

Parts of Isosceles Triangles *

Isosceles Triangle Theorem Converse of the Isosceles Triangle Theorem:

Guided Practice Example #1

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 4 3 2 1 0

Equilateral Triangles

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 4 3 2 1 0

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