Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
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
Traffic Cone
Quiz: Vertical Angles and Linear Pairs
Graphical solution of ax² + bx + c = k
Math Art Construction
apec
Discover Resources
Linjens ligning
Parabolas (factorised form)
Polyhedron0
The Cannon
Vertically Opposite Angles
Discover Topics
Addition
Ellipse
Polynomial Functions
Standard Deviation
Differential Calculus