GeoGebra
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
GeoGebra
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
Related Topics
Algebra
Arithmetic
Calculus
Functions
Geometry
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Similar Triangles
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