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 ...

Revise the different types of angles and rules for calculating angles. This guide includes interactive activities and a quiz. NEW: Angles in parallel lines Revise alternate, correspondent or ...

Keiran McLean: Building your own home is an exciting adventure for any family, but for one couple, Hugh and Daisy Watson, they’re really embracing the unknown. Cosmo Wunderlich:Listen you boring man, ...

A French mathematician has completed the classification of all convex pentagons, and therefore all convex polygons, that tile the plane. One of the oldest problems in geometry asks which shapes tile ...

News of a subtle quadratic equation breakthrough has brought algebra forward from the very back of many people’s minds, and algebra is always part of the “when will I ever use this?” rubric people use ...