Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Euclid's Elements - Book III, Proposition 20
Author:
mtpberg
Topic:
Circle
The the measure of an arc’s central angle is double that of an angle with its vertex on the portion of the circle opposite the arc.
GeoGebra
New Resources
van Aubel's Theorem
Cross Product in 2D and 3D
Stairs (Optical Illusion)
Bottema's Theorem
Witch of Agnesi - A Classical Construction
Discover Resources
Graphing Trig Functions
First order ODE
Nets of a cube
Lesson 5.2 - Inv.
สามเหลี่ยมพีทาโกรัส
Discover Topics
Exponent
Hyperbola
Calculus
Congruence
Ratios