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 ...

If you’re doing something like setting posts on a slanted surface, you’ll likely need to measure the exact angle at which to cut their base so that they stand perpendicular with the ground. But you ...

Just have a look at the edges of your desk; the hands of a clock or the keys on your computer. There are examples everywhere. Angles are measured using degrees, ranging from 0 all the way to 360 ...