Slide 1 4.4 Proving Triangles are Congruent: ASA and AAS Geometry Slide 2 Objectives: 1.Prove that triangles are congruent using the ASA Congruence Postulate and the AAS…

Slide 1 4.2 Congruence & Triangles Geometry Mrs. Spitz Fall 2005 Slide 2 Objectives: Identify congruent figures and corresponding parts Prove that two triangles are congruent…

Slide 1 4.3 & 4.4 Proving Triangles are Congruent Slide 2 Side-Side-Side (SSS) Congruence Postulate: If 3 sides of one triangle are congruent to 3 sides of another triangle,…

Slide 1 4.3 Proving Triangles are Congruent Side-Side-SideSide-Angle-Side Slide 2 Side-Side-Side If three sides of one triangle are congruent to three sides of another triangle,…

4.4 Proving Triangles are Congruent: ASA and AAS Postulate 21: Angle-Side-Angle (ASA) Congruence Postulate If two angles and the included side of one triangle are congruent…

Chapter 4 Notes 4.1 – Triangles and Angles A Triangle  Three segments joining three noncollinear points. Each point is a VERTEX of the triangle. Segments are SIDES!…

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…

4-1 Classifying Triangles I. Geometric Shapes What is a triangle? A TRIANGLE is a three-sided polygon. II. How is a triangle labeled? III. Classification by Angles: One way…

4.2 Congruence & Triangles Geometry Mrs. Kinser Fall 2012 Objectives: Identify congruent figures and corresponding parts Prove that two triangles are congruent Identifying…

Chapter 8 Similarity Section 8.5 Proving Triangles are Similar A D and C F  ABC ~ DEF THEOREM 8.2 Side-Side-Side (SSS) Similarity Theorem…