Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Giraud’s Theorem
Author:
Moira Chas
The area of a triangle on the unit sphere equals the sum of its interior angle minus π. Proof (from Schwartz book Mostly surfaces" Divide the sphere in regions as in the sum below.
GeoGebra
New Resources
Rotating Points (Optical Illusion)
Witch of Agnesi - A Classical Construction
Cross Product in 2D and 3D
cylinder net slider
van Aubel's Theorem
Discover Resources
StandaardDeviatie
Sides of Right Triangle
Cycloid of Ceva
add&minus integer
Cópia de Kinematics in One Dimension: Two Object System
Discover Topics
Planes
Rhombus
Cylinder
Root
Optimization Problems