Congruent Triangles (SSS, SAS, ASA, AAS, and HL) Flip Book This flip book will help students organize methods of proving triangles congruent. This includes Side-Side-Side (SSS), Side-Angle-Side (SAS), Angle-Side-Angle (ASA), Angle-Angle-Side (AAS), and Hypotenuse-Leg (HL). There are 10 proofs total inside, two of each type. Directions for printing and answer key included.This resource is included in the following bundle(s):Geometry Curriculum (with Activities)Geometry Activities BundleLICENS