Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
The Circumcircle and the Nine-Point Circle
Author:
Steve Phelps
Topic:
Circle
Drag the slider. The circumcircle and the nine-point circle are related by a dilation with a center at the orthocenter.
GeoGebra
New Resources
Introduction
Ellipse, Hyperbola and Circle as Envelopes
Simplifying Radicals: Geometric Thin Slice
Ellipse as Envelope - Correspondence Method
Witch of Agnesi - A Classical Construction
Discover Resources
Diagonale03
area circle development
Geogebra
Obodoechine_UnitCircle
Stat
Discover Topics
Line Segment
Prism
Distributions
Hypergeometric Distribution
Poisson Distribution