Search

Google Classroom

GeoGebra Classroom

Home
Resources
Profile
Classroom
App Downloads

Exterior angle triangle theorem

Author:mathspace

New Resources

Making New Year's resolutions for 2026
Exploring GeoGebra for the First Time
Triangle with 3 Right Angles
Shells
Reflection = 180° Rotation about a Line

Discover Resources

Tangent_to_curve_through_outside_point
Quad project
Irregular Polygon
mta kite
CLASS_11_CONIC SECTION_23
GeoGebra #2

Discover Topics

LCM and GCD
Median Line
Isosceles Triangles
Hypothesis Testing
Random Experiments

About Partners Help Center

Terms of Service Privacy License

Graphing Calculator Calculator Suite Math Resources

Download our apps here:

© 2026 GeoGebra®