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  1. Two-Dimensional Shapes and Their Attributes
    1. Lines and Line Segments
    2. Polygons
    3. Angles
    4. Triangles
    5. Quadrilaterals

    Two-Dimensional Shapes and Their Attributes

    Author:Lillian Petersen
    Two-Dimensional Shapes and Their Attributes

    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

    • Graph Segment of f(x) = x in Polar Coordinates
    • Nikmati Keunggulan Di Bandar Judi Terpercaya
    • רישום חופשי
    • Tracing r = 2 cos(θ)
    • Graphing a Circle in Polar Coordinates

    Discover Resources

    • Triangle Investigation
    • Angle in a Semi-circle 1
    • azenod.Untitled
    • BracketProblem
    • 面積題 G

    Discover Topics

    • Geometry
    • Integers
    • Dilation
    • Scalene Triangles
    • Difference and Slope
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