Triangles and other shapes can be accurately constructed using a protractor, a pair of compasses and a ruler. Make an accurate drawing of a triangle with lengths 4 cm and 6 cm with an angle of 40° in ...

Click to see a step-by-step slideshow. STEP 1: This is what to do when you know the length of 1 side and the 2 angles at each end of it: here 8 cm, 40° and 50°. Draw an 8 cm line using a pencil and ...

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 ...