Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Coxeter- Theorem 2.23
Author:
AndrewLyon
Topic:
Geometry
2.23 -
If two lines have a common point, they are coplanar.
PROOF. If two lines have a common point
C
, we may name them
AC
,
BC
, and conclude that they lie in the plane
ABC
.
GeoGebra
New Resources
Subtracting Hours and Minutes - Practice
apec
Square Matrix Calculator
Weighing Scales (kg & g): Practice
רישום חופשי
Discover Resources
Calculating gradient from 2 points
Lesson 6
Centroid
Fence against river
Cardioid Activities
Discover Topics
Curve Sketching
Trapezoid
Derivative
Integral Calculus
Probability