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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
seo tool
Equation of Locus - Parabola
Prism Drawn in 1-Point Perspective
Making New Year's resolutions for 2026
Exploring GeoGebra for the First Time
Discover Resources
day 4 midsegments quadrilateral
u4 pratice save
Untitled
Centroid
area of a parallelogram
Discover Topics
Interest Calculation
Conic Sections
Linear Functions
Trigonometric Functions
Upper and Lower Sum or Riemann Sum
