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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
Drunk Parabola
Angles of Intersecting Lines
z`]]
Graph of y = a(x − h)² + k
Level Curves
Discover Resources
Dodd regular hexagon and equilateral triangle
Isosceles triangle given base and altitude
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The Birthday Problem
Discover Topics
Binomial Distribution
Difference and Slope
Integers
Constructions
Numbers
