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GeoGebra
GeoGebra Classroom
Outline
For Debating "Flat Earthers"
Simulate Low-Altitude Photo of Horizon of Sphere
Curvature of Earth's Sea-Level Horizon, to Scale
See how horizon varies with viewer's altitude
Formula for "Obstructed Height" on a Sphere
For Debating "Flat Earthers"
Author:
JimSmithInChiapas
Topic:
Trigonometry
The growth of the "Flat Earth" movement is a troubling development. The resources in this book will help you to refute their claims that involve (or ignore!) geometry.
Simulate Low-Altitude Photo of Horizon of Sphere
Curvature of Earth's Sea-Level Horizon, to Scale
See how horizon varies with viewer's altitude
Formula for "Obstructed Height" on a Sphere
Next
Simulate Low-Altitude Photo of Horizon of Sphere
New Resources
Row and Column Views of Systems of Linear Equations
Domain of f(x,y)
Regular Star Polygons
Trammel of Archimedes Art
Sum of Squares: Proof without Words
Discover Resources
square
Midpoint Game - Results
Solving a System of Equations by Elimination
pentagonePat3 1
ratio1
Zlati rez in Pi... piramida
Discover Topics
Division
Vectors 3D (Three-Dimensional)
Trigonometric Functions
Addition
Step Functions
