The Pythagorean Theorem for a Spherical Right Triangle

On the unit sphere, side lengths are measured by the central angles. The sketch below illustrates the Pythagorean Theorem for spherical right triangles. Drag points A, B, and C slowly. Have a calculator handy to confirm the calculation at the bottom.

 

Steve Phelps —

 
Tipus de material
Construcció dinàmica
Etiquetes
modspar 
Grup de destinació (edats)
14 – 18
Idioma
English (United States)
 
 
 
© 2026 International GeoGebra Institute