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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
挂谷问题——三尖瓣形
Right Triangle Inscribed in a Semicircle
Function art 3D - waiting shed (v2)
What Do You See? (2)
Quadrant Illustrator 2
Discover Resources
Susan and Lily
Mr.O'Malley-Q3Assigment2
kritirio isotitas trigonon-2
Napkin Ring Paradox
Cross-section and level curves
Discover Topics
Cone
Unit Circle
Indefinite Integral
Polynomial Functions
Quadrilaterals
