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GeoGebra
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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
Function art 3D - waiting shed (v2)
bewijs stelling van Pythagoras
What Do You See? (2)
Congruent Sides & Angles in △s: Exploration
Squares Question
Discover Resources
transformations
functionTranslation
Investigating Incenter & Circumcenter in a Triangle
Slope
day 88
Discover Topics
Terms
Right Triangles
Median Value
Equilateral Triangles
Difference and Slope
