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GeoGebra
GeoGebra Classroom
Outline
Two-Dimensional Shapes and Their Attributes
Lines and Line Segments
Polygons
Angles
Triangles
Quadrilaterals
Two-Dimensional Shapes and Their Attributes
Author:
Lillian Petersen
Table of Contents
Lines and Line Segments
Explore Parallel Lines
Exploring Perpendicular Lines
Creating Lines
Polygons
Geoboard Polygons
Concave/Convex
Angles
How to Construct an Angle
Looking at Angles
Animated Acute Angles
Animated View of Obtuse Angles.
Types of Angles
Triangles
Triangle Lengths Exploration
Triangle Classification Challenge
Triangle Classification Examples
Triangle with Sides and Angles
Quadrilaterals
Quadrilaterals
Classifying Quadrilaterals
Next
Explore Parallel Lines
New Resources
alg2_05_05_01_applet_exp_2_flvs
Average Rate of Change: Graph a Function (1)
alg2_05_05_01_applet_exp_flvs
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Parallelograms: Quick Investigation
Discover Resources
Example 1
Ball Dropping s-t graph
AAS Theorem
math pavement game mrh
Depende
Discover Topics
Limits
LCM and GCD
Conditional Probability
Curve Sketching
Rational Numbers