Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. 7th grade geometry
    1. Triangle and Quadrilateral Angles and Sides
    2. Area Review
    3. Cross Sections

    7th grade geometry

    Author:Rachel Bernard
    7th grade geometry

    Table of Contents

    • Triangle and Quadrilateral Angles and Sides

      • Triangle Angle Sum Theorem
      • Animation 2
      • Sum of interior angles of quadrilaterals
      • Triangle Inequality
    • Area Review

      • Area and Perimeter of a Rectangle
      • Parallelogram: Area
      • Area of a Triangle (Discovery)
      • Triangle Area Action!!! (V2)
      • Area of a Trapezoid
      • area of a trapezoid
      • Area of Trapezoid - Midsegment
      • Area of Trapezoid - Triangles
      • Area of a Trapezoid
      • Triangle Area Calculated via Rotation
    • Cross Sections

      • Sections of Triangular Prisms
      • Cross Section? (1)
    Next
    Triangle Angle Sum Theorem

    New Resources

    • bewijs stelling van Pythagoras
    • Kite Function Art
    • Learn to Prove: Kite
    • Dividing a 3-digit number by a 1-digit number (2)
    • Translation in 3D (via x, y, z)

    Discover Resources

    • Differential Geometry
    • newaxses2
    • szaporodási ráta lineáris s(x)
    • Ползунок
    • Metatron Project 6
    • Quadrilateral Construction B

    Discover Topics

    • Confidence Interval
    • Cone
    • Geometry
    • Ratios
    • Upper and Lower Sum or Riemann Sum
    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

    © 2025 GeoGebra®