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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
רישום חופשי
Reflection = 180° Rotation about a Line
z`]]
Locus Related to Descartes' Folium
Exploring GeoGebra for the First Time
Discover Resources
Perpendicular distance of a point from a line
Problem Pictures
Triangle given 3 sides
Pythagoras Demonstration
picture The proof of the Parallelogram Theorem
Discover Topics
Coordinates
Polynomial Functions
Arithmetic Mean
General Quadrilateral
Kite
