Index C...

cartesian coordinate system	Conversion between Polar and Cartesian Coordinates
	Conversion between 3D Coordinate Systems
	Three-dimensional Cartesian Coordinate System
	Two-dimensional Cartesian Coordinate System
Cavalieri	General Rules for 3D Solids
center	Ellipse
center of gravity	Properties of a Right Triangle
	Median and Centroid of a Triangle
centroid	Median and Centroid of a Triangle
circle	Circle
circle ring	Annulus (Circle Ring)
circular cylinder	Circular Cylinder
circumcircle	Properties of a Right Triangle
	Circumcircle of a Triangle
circumference	Ellipse
circumradius	Regular Polygon
colatitude	Spherical Coordinate System
congruence transformation	Congruence Transformation
congruent triangles	Congruent and Similar Triangles
	Congruence Transformation
construction of a triangle	Construction of a Triangle
conversion	Conversion between Polar and Cartesian Coordinates
	Conversion between 3D Coordinate Systems
coordinate transform	Coordinate Transform
copyright	Copyright
cos	Properties of a Right Triangle
Creative Commons License	Copyright
cube	Cuboid and Cube
	Platonic Solids - Regular Polyhedra
	Cube (Hexahedron)
cuboid	Cuboid and Cube
cyclic quadrilateral	Cyclic Quadrilateral
cylinder	Generalized Cylinder
	Circular Cylinder
	Cylindrical Wedge
	Cylindrical Segment
cylindrical coordinate system	Cylindrical Coordinate System
	Conversion between 3D Coordinate Systems
cylindrical segment	Cylindrical Segment
cylindrical wedge	Cylindrical Wedge