Geometry

Parent topic:
Mathematics
MathGeometryAnglesCongruenceConic SectionsConstructionsCoordinatesFractalsLinesPlane FiguresSolidsSymmetryTransformationsVectors
  • Circle Area (By Peeling!)
    Activity

    Circle Area (By Peeling!)

    Tim Brzezinski

  • Proof Without Words
    Activity

    Proof Without Words

    Steve Phelps

  • Area of Circles
    Activity

    Area of Circles

    Anthony OR 柯志明

  • 'Tangram' Puzzle 'Cat'
    Activity

    'Tangram' Puzzle 'Cat'

    GeoGebra Translation Team German

  • Pythagoras's Theorem
    Activity

    Pythagoras's Theorem

    Judith Hohenwarter

  • Sections of Rectangular Prisms (Cuboids)
    Activity

    Sections of Rectangular Prisms (Cuboids)

    Anthony OR 柯志明

  • Sections of Triangular Prisms
    Activity

    Sections of Triangular Prisms

    Anthony OR 柯志明

  • Exterior Angles of Polygons
    Activity

    Exterior Angles of Polygons

    Anthony OR 柯志明

  • Sections of Cylinders
    Activity

    Sections of Cylinders

    Anthony OR 柯志明

  • Proofs Without Words
    Book

    Proofs Without Words

    Steve Phelps

  • Classifying Quadrilaterals
    Activity

    Classifying Quadrilaterals

    Anthony OR 柯志明

  • GeoGebra Pentominoes
    Activity

    GeoGebra Pentominoes

    Duane Habecker

  • Kaleidoscope
    Activity

    Kaleidoscope

    Michael Borcherds

  • GeoGebra Geometry App: Beginner Tutorials with Lesson Ideas
    Book

    GeoGebra Geometry App: Beginner Tutorials with Lesson Ideas

    Tim Brzezinski

  • Illustrations Without Words
    Book

    Illustrations Without Words

    Tim Brzezinski

  • Sections of 3D Shapes
    Book

    Sections of 3D Shapes

    Anthony OR 柯志明

  • Cavalieri's Principle
    Activity

    Cavalieri's Principle

    Anthony OR 柯志明

  • Triangle Paradox (Missing square puzzle)
    Activity

    Triangle Paradox (Missing square puzzle)

    Michael Borcherds

  • Test yourself: Reflection
    Activity

    Test yourself: Reflection

    Michael Borcherds

  • Finsler-Hadwiger Action!!!
    Activity

    Finsler-Hadwiger Action!!!

    Tim Brzezinski

  • CCSS High School: Geometry (Geometric M. & Dimension)
    Book

    CCSS High School: Geometry (Geometric M. & Dimension)

    Tim Brzezinski

  • CCSS HS GEOMETRY RESOURCES!!!
    Activity

    CCSS HS GEOMETRY RESOURCES!!!

    Tim Brzezinski

  • Maximizing Trapezoid Area
    Activity

    Maximizing Trapezoid Area

    Tim Brzezinski

  • Girl in the Mirror
    Activity

    Girl in the Mirror

    Markus Hohenwarter