Circle and line in a coordinate system Student activity Play

Collinear points Student activity Play

Collinear points on the plane Animation Play

Combined resistance – connection in parallel Whiteboard exercise Play

Combined resistance – connection in parallel Animation Play

Combined resistance – connection in parallel Animation Play

Common points of the graphs of two functions Animation Play

Common tangents Student activity Play

Completing the proportion Whiteboard exercise Play

Completing the proportion Student activity Play

Components in the parallel circuits Whiteboard exercise Play

Congruency of triangles Whiteboard exercise Play

Congruency of triangles and other figures Student activity Play

Congruent triangles Animation Play

Connection in parallel Student activity Play

Connection in parallel Animation Play

Connection in parallel Whiteboard exercise Play

Connection in parallel Simulation Play

Connection in parallel Whiteboard exercise Play

Connection in parallel Student activity Play

Constructing a line parallel to a given line Simulation Play

Constructing a perpendicular to a given line Simulation Play

Constructing a perpendicular to line at a point off the line Simulation Play

Constructing the image of a triangle in a line Animation Play

Construction of a line bisector Animation Play