Geometry

Parent topic:: Mathematics

Proof Without Words
Activity
Steve Phelps
Circle Area (By Peeling!)
Activity
Tim Brzezinski
'Tangram' Puzzle 'Cat'
Activity
GeoGebra Translation Team German
Area of Circles
Activity
Anthony OR 柯志明
Sections of Rectangular Prisms (Cuboids)
Activity
Anthony OR 柯志明
Sections of Triangular Prisms
Activity
Anthony OR 柯志明
Sections of Cylinders
Activity
Anthony OR 柯志明
Surface Area: Intuitive Introduction
Activity
Tim Brzezinski
Pythagoras's Theorem
Activity
Judith Hohenwarter
Classifying Quadrilaterals
Activity
Anthony OR 柯志明
Learn GeoGebra Classic
Book
GeoGebra Team German
Exterior Angles of Polygons
Activity
Anthony OR 柯志明
GeoGebra Pentominoes
Activity
Duane Habecker
GeoGebra Geometry App: Beginner Tutorials with Lesson Ideas
Book
Tim Brzezinski
Proofs Without Words
Book
Steve Phelps
Illustrations Without Words
Book
Tim Brzezinski
Kaleidoscope
Activity
Michael Borcherds
Cavalieri's Principle
Activity
Anthony OR 柯志明
Sections of 3D Shapes
Book
Anthony OR 柯志明
Test yourself: Reflection
Activity
Michael Borcherds
Triangle Paradox (Missing square puzzle)
Activity
Michael Borcherds
Geometry Resources
Activity
Tim Brzezinski
Surface Area, Volume, Cross Section, 3D
Book
Tim Brzezinski
Girl in the Mirror
Activity
Markus Hohenwarter