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GeoGebra
GeoGebra Classroom
Outline
Triangles
The Angles of a Triangle
Triangles Proofs and Theorems
Practice Problems
Triangles
Author:
Judith Hilinski
Topic:
Triangles
The Angles of a Triangle Proving that Triangles are Congruent
Table of Contents
The Angles of a Triangle
Basic Definitions: Triangles
Triangles and Their Classification
Symbols and Examples-Angles in Triangles
Triangles Proofs and Theorems
Copy of triangle angle-sum theorem
Triangle Sum Theorem
Practice Problems
Practice Problems with Triangles
Next
Basic Definitions: Triangles
New Resources
Angles and Intersecting Lines: Quick Investigation
Play C3 E3 G3 C4_C4
Bottema's Theorem
Spinning cube - Belt Trick
cylinder net slider
Discover Resources
Trial
Visualizing parametric equations
Hhkg 95.7
Similar triangles on parallel lines
Modelling Quadratics with Standard Form
Discover Topics
Limits
Fractions
Incircle or Inscribed Circle
Secant Line or Secant
Vectors 3D (Three-Dimensional)