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Upcoming Events
11/19
Advanced -
Euclidean Algorithm
11/19
Beginners -
Modular Arithmetic I
11/19
Early Elementary -
Fun and Games on a Chessboard
11/19
High School I -
Generating Functions
11/19
High School II -
Discrete Derivatives, Part 2
11/19
Junior Circle -
Rigid Motions of the Plane
12/3
High School II -
How to Divide
5/18 -- High School I Circle: Groups of Symmetry
Today we'll study how symmetries of geometric objects form a group. Specificially, we will study the so called "dihedral group".