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 ...

Quadrilaterals, cubes, polyhedrons … sound like 10th grade math class? Perhaps, but they’re also examples of one of this fall’s biggest trends in home decor. Crisp, contemporary and pleasing to the ...

Before reading this guide, it may be helpful to read the guides from Module 1 on the properties of angles and the properties of 2D shapes. The sum of the angles inside any polygon can be found by ...

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, ...

The grandest project in mathematics has received a rare gift, in the form of a mammoth 350-page paper posted in February that will change the way researchers around the world investigate some of the ...