Magic Circle of Circles
The magic circle of circles, first developed by Benjamin Franklin, consists of eight annular rings and…
Nasik Cube
Squares that have many more summations than just rows, columns, and diagonals. Frost extended this idea…
Sum of Exterior Angles of a Polygon Proof
Illustration used to prove "If the sides of any polygon are prolonged in succession one way, no two…
Sum of Interior Angles of a Polygon Proof
Illustration used to prove "The sum of all the angles of any polygon is twice as many right angles as…
Square Constructed Upon the Sum of Two Straight Lines
Illustration of a square constructed upon the sum of two straight lines.
