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GeoGebra
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Google Classroom
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
AI for Math Teachers (prompt examples)
The Coordinate Plane (Cartesian Plane)
ANGLE
Creating your own GPTs or Gems
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Discover Resources
Qualitative Graph - Gachelin :)
Investigation 2
Rotation #1
day 27 vertical
Animation to show the area of a triangle (Method 1)
Discover Topics
Intersection
Vectors
Limits
Straight Lines
Arithmetic
