 ### Spherical Polygon

Illustration of a spherical polygon. ### Spherical Polygon

Illustration of a spherical polygon. ### Spherical Pyramid

Illustration of a spherical pyramid. ### Spherical Sector

Illustration of a spherical sector. ### Spherical Segments

Illustration of a spherical segments. ### Semicircle With Chords and Radii

Illustration of a semicircle with chords and radii. ### Solids of Revolution

Illustration of an isosceles spherical triangle. ### Sphere With Arcs and Poles

A sphere with arcs and poles. "The distance of all points in the circumference of a circle of a sphere… ### Arcs Drawn on Sphere

Illustration of a sphere with arcs drawn. ### Circle Made by Plane Passing Through a Sphere

"Every section of a sphere made by a plane is a circle." ### Sphere Inscribed in a Cube

Illustration of a sphere inscribed in a cube. ### Sphere Inscribed in a Cube

Illustration of a sphere inscribed in a cube. ### Sphere Inscribed in Tetrahedron

Illustration of a sphere inscribed in a tetrahedron. ### Sphere Inscribed in Tetrahedron

Illustration of a sphere inscribed in a tetrahedron. ### Sphere Made by Revolution of Semicircle

Illustration of a sphere generated by the revolution of a semicircle ACB about its diameter AB as an… ### Material Sphere

Illustration of a material sphere that can be used to find its diameter. ### Plane Passing Through a Sphere

Illustration of a plane passing through a sphere. ### Sphere With Tangent Plane

Illustration of a sphere with a tangent plane. "A plane perpendicular to a radius at its extremity is… ### Sphere With Tangent Plane

Illustration of a sphere with a tangent plane. "A plane perpendicular to a radius at its extremity is… ### Polyhedral Angle in a Sphere

Illustration of a sphere with a polyhedral angle whose vertex is at the center of the sphere and whose… ### Polyhedral Angle in a Sphere

Illustration of a sphere with a polyhedral angle. ### Sphere With Quadrants and Poles

A sphere with quadrants and poles. "A point on the surface of a sphere, which is at the distance of… A sphere with quadrants drawn on it. ### Equal Spheres With Triangles

Illustration of equal spheres with equal triangles. ### Equal Spheres With Triangles

Illustration of equal spheres with equilateral and equiangular triangles. ### Intersecting Spheres

Illustration of two intersecting spheres. "The intersection of two spherical surfaces is the circumference… ### Isosceles Spherical Triangle

Illustration of an isosceles spherical triangle. ### Isosceles Spherical Triangle

Illustration of an isosceles spherical triangle. ### Polar and Spherical Triangles

Illustration of polar and spherical triangles. ### Polar Triangles in Sphere

Illustration of polar triangles. ### Symmetric Spherical Triangles

Illustration of symmetrical spherical triangles. ### Symmetric Spherical Triangles

Illustration of symmetrical spherical triangles. ### Symmetric Spherical Triangles

Illustration of symmetrical spherical triangles.