# Three Edge-to-Edge Sphere Tilings with Right Triangles

Three Edge-to-Edge Sphere Tilings with Right Triangles

This Demonstration shows edge-to-edge tilings of a sphere with right triangles with one of three choices of dihedral angles: , , ; , , ; and , , (for even ).

60°

°

90

55°

60°

°

90

360°

n

90°

90°-

180°

n

360°

n

n≥6