Geometry is packed with terminology that precisely describes the way various points, lines, surfaces and other dimensional elements interact with one another. Sometimes they are ridiculously ...

A technician often has to sketch or design ductwork and the other parts of an HVAC system. Sometimes you have to sketch the room or building you are working with. This means working with lines, angles ...

An angle is the amount of turn between two lines. An angle is measured in degrees (°). Angles are a way of describing the space between 2 lines that begin at the same point. They are a measure of how ...

Polygons can be regular or irregular. If the angles are all equal and all the sides are equal length it is a regular polygon. To find the sum of interior angles in a polygon divide the polygon into ...

Blaise Pascal independently rediscovered classical geometry at the age of 12 despite a ban on formal maths studies. His early ...