Lesson 4.1 Classifying Triangles Today, you will learn to… * classify triangles by their sides and angles * find measures in triangles A B C  ABC Equilateral Triangle…

Geometry 1 Unit 4 Congruent Triangles Casa Grande Union High School Fall 2008 Geometry 1 Unit 4 4.1 Triangles and Angles Acute Triangle- All angles are less than 90° Obtuse…

Chapter 4 Triangle Congruence By: Maya Richards 5th Period Geometry Section 4-1: Congruence and Transformations Transformations: Translations â slides Reflections â flips…

Lesson 4.1 Classifying Triangles Today, you will learn to… * classify triangles by their sides and angles * find measures in triangles A B C  ABC Equilateral Triangle…

Geometry – Chapter 4 Geometry – Chapter 4 Congruent Triangles 4.1 – Apply Angle Sum Properties Triangle Polygon with three sides & three vertices Triangles can…

Learning Target #17 I can use theorems, postulates or definitions to prove that… a. vertical angles are congruent. b. When a transversal crosses parallel lines, alternate…

Chapter 4 Triangle Congruence By: Maya Richards 5th Period Geometry Section 4-1: Congruence and Transformations Transformations: Translations â slides Reflections â flips…

Geometry 1 Unit 4 Congruent Triangles Casa Grande Union High School Fall 2008 Geometry 1 Unit 4 4.1 Triangles and Angles Acute Triangle- All angles are less than 90° Obtuse…