GeoGebra
Create Lesson
GeoGebra
For Debating "Flat Earthers"
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
Ripple Effect
G_10.04 Parallel and perpendicular lines_1b
G_3.01 Triangles and angles_2
Comparing Fractions
Rotation of spheres
Discover Resources
Skeletal animation / Skinning 2D
Transformation Station
No Solution 3
More Cookies Graph
Sliding Area Between Curves and line
Discover Topics
Quadratic Functions
Equilateral Triangles
Conic Sections
Right Triangles
Cylinder
