4.6: Isosceles and Equilateral Triangles

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Presentation transcript:

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

I hope you had a happy Halloween!

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

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

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

Vocabulary Equilateral Triangle (4.3) (4.4)

Example 2 Find m∠R. b) Find PR.

Example 3 Find the value of each variable.

Example 4 Write a two column proof.