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GeoGebra
GeoGebra Classroom
Outline
Introduction to Deductive Geometry
Theorems related to Parallel Lines
Interior and Exterior Angles of Triangles
Introduction to Deductive Geometry
Author:
Anthony OR 柯志明
Topic:
Geometry
Table of Contents
Theorems related to Parallel Lines
Angles related to parallel lines
Angles related to parallel lines (Converses)
Example 9.2
Example 9.3
Interior and Exterior Angles of Triangles
Angle Sum of Triangle
Exterior Angle of Triangle
Example 9.4
Next
Angles related to parallel lines
New Resources
Multiplying 2-Digit x 2-Digit Numbers Using an Area Model (2)
Multiplying 3-Digit by 2-Digit Numbers Using an Area Model
Multiplication with Area Models
z`]]
quarter of tetrahedron
Discover Resources
Exploring Rocket Motion
The car and the motorbike
Angles in Parallel Lines
Functions Transformations/Translations/Dilations/Reflections/Rotations
Discover Topics
Means
Interest Calculation
Pyramid
LCM and GCD
Arithmetic Mean
