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GeoGebra
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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
Building Trapezoids with Set Areas
Rolling Circles and Polygons
အခြေခံ data အခေါ်အဝေါ်များ
Building Triangles with Set Areas
Conway Circle Theorem
Discover Resources
Activity 1.4 - Lesson - Absolute Transformation
Triangle: Proportionality
Normal and tangential vectors (blue) and radial and transverse vectors (red).
Investigation Five
Variable Rename - Forum Example
Geogebra Challenge 3
Discover Topics
Confidence Interval
Probability
Scalene Triangles
Cuboid
Polynomial Functions
