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 ...

A protractor is used to draw and measure angles. An angle is the amount of turn between two lines. Angles are measured in degrees with the symbol °. Angles can be labelled with 3 letters (eg DEF) to ...

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 ...