​Translations

Reflections

Rotations

Rotational Symmetry

Triangle Midsegment Theorem

Base Angles Theorem and Sum of Interior Angles for Triangles

Congruent Triangles and CPCTC

Congruent Triangles and CPCTC (2)

Congruent Triangle Proofs

Congruent Triangle Proofs (2)

Congruent Triangle Proofs (3)

Properties of Parallelograms

Properties of Special Parallelograms

Parallelogram Proofs

More Proofs