Vectors have units, if you leave them off you are probably a mathematician (just kidding). Also, this notation can be expanded to three dimensions by adding a z-hat or k-hat component.

Dealing with Vectors Vector Components Any vector can be expressed as a sum of a number of other vectors. The vectors which are summed are called the components of the original vector. When you want ...

Geometry and measure Angles, lines and polygons - Edexcel Polygons are multi-sided shapes with different properties. Shapes have symmetrical properties and some can tessellate.