The 9-point Conic

Author:Steve Phelps

In a complete quadrilateral, the midpoints of the six sides (AB, BC, CD, DA, BD, and CA) and the three intersections of the opposite sides (E, F, and G) - nine points in total - lie on a conic.

New Resources

Chaotic behaviour
Average Rate of Change: Graph a Function (2)
alg2_05_05_04_applet_exp_fxn_flvs
What is an Isogonal Conjugate?
alg2_05_05_01_applet_exp_2_flvs

Discover Resources

Step Seven
area perimeter workbench
Mapping Diagrams and Graphs of Linear Functions
Lesson 7
Transversal Angle Pairs

Discover Topics

Derivative
Algebra
Secant Line or Secant
Cosine
Triangles