Search

Outline

  1. Area of Polygons
    1. Triangles
    2. Quadrilaterals

    Area of Polygons

    Author:Ben Roth
    Topic:Area, Polygons
    This book contains student created proofs for the areas of polygons.
    Area of Polygons

    Table of Contents

    • Triangles

      • Right Triangle
      • Right Triangle
      • Right Angle Triangle
      • Right Angle Triangle
      • Right Angle Triangle
      • Acute Triangle
      • Acute Triangle
      • Obtuse Triangle Area
      • Obtuse-Triangle#3
      • Obtuse Triangle
      • Area of a Obtuse Triangle (Proof)
    • Quadrilaterals

      • Parallelogram
      • Parallelogram
      • Parallelogram Proof
      • Proof for Area of a Parallelogram (Maek)
      • Parallelogram
      • Area of of a Parallelogram
      • Trapezoid Formula Proof
    Next
    Right Triangle

    New Resources

    • Congruent Sides & Angles in △s: Exploration
    • Right Triangle Inscribed in a Semicircle
    • Function Art 3D - Flower
    • Rovnoběžnost rovin
    • Perpendicular Lines: Quick Exploration

    Discover Resources

    • Coxeter 1.6
    • Angle Bisector Construction
    • tan(bx)
    • i0201
    • Euclid Book IV Proposition 11-Construction of the Regular Pentagon

    Discover Topics

    • Power Functions
    • Random Variables
    • Quadratic Equations
    • Definite Integral
    • Functions
    AboutPartnersHelp Center
    Terms of ServicePrivacyLicense
    Graphing CalculatorCalculator SuiteMath Resources

    Download our apps here:

    Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

    © 2026 GeoGebra®