STEP 2: Put the pin of the compass at the point of the angle. Set the other end of the compass to a point most of the way up one of the lines and draw an arc across each line.

A technician often has to sketch or design ductwork and other parts of an HVAC system. This means working with lines, angles, and other shapes. This article shows you how to draw and work with these ...

It might be useful to look at M1 Properties of Angles and M1 Properties of 2D shapes. Constructions are accurate drawings of shapes using a ruler and protractor. From a sketch or a description ...