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

Discover Resources

Line Reflections: Functions
Vertex and Axis of Symmetry
HKDSE 2013 Paper 1 Q14
A Playable 5-Limit Tonality Diamond
คิดเลขเร็ว

Discover Topics

Tangent Function
Linear Programming or Linear Optimization
Quadrilaterals
Probability
Diagrams

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

Related Topics

Discover Resources

Discover Topics