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GeoGebra
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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
Untitled
Slope and Road Signs
Fourier Lissajous (Mechanical)
Some random function
רישום חופשי
Discover Resources
Sum of exterior angles of a polygon
A great MIT applet
GoGeometry Action 147!
Interior angle sum of Polygons (Geometer's Warehouse)
Discover Topics
Function Graph
Equations
Derivative
Inequalities
Solids or 3D Shapes
