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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
အခြေခံ data အခေါ်အဝေါ်များ
apec
Combining Random Variables
Graphs of Rational Expressions
Discriminant of y = ax² + bx + c
Discover Resources
height and median of triangles, angle bisector
Problem18-page190
Central Angles, Arcs and Chords Construction
Median Triangle
Angles Between Two Parallel Lines
Discover Topics
Matrices
Logarithm
Incircle or Inscribed Circle
Cylinder
General Quadrilateral
