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

Angles of Intersecting Lines
רישום חופשי
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
z`]]
Trefoil Knot

Discover Resources

Bivariate data
Rotate Triangles Clockwise Tool
Função exponencial
SNAKE IN A CUBE
برهان لنظرية فيثاغورث

Discover Topics

Centroid or Barycenter
Arithmetic Operations
Similar Triangles
Geometry
Algebra