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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
Rolling an Equilateral Triangle
Building Parallelograms with Set Areas
Building Triangles with Set Areas
Fourier Lissajous (Mechanical)
Rolling Circles and Polygons
Discover Resources
Hanoi, untangle and Sierpinski
สมการเชิงเส้น
Links
Triangle Arc 65
Mreza kose prizme (Oblique prism net) 1
Discover Topics
Multiplication
Intersection
Geometric Mean
Quadrilaterals
Logic
