User:Spencerhall01/Books/Temp

Geometry

 * Diagonal
 * Extended side
 * Internal and external angles
 * Geometric mean theorem
 * Polar circle (geometry)
 * Viviani's theorem
 * Altitude (triangle)
 * Triangle
 * Apollonian circles
 * Orthocentric system
 * Barycentric coordinate system
 * Trilinear coordinates
 * Euler's theorem in geometry
 * Carnot's theorem
 * Pappus's area theorem