The only tools you need to make these shapes are a straight ruler and a compass or dividers (Figure 1). It is also useful to have a protractor (to measure angles) and a drafting square (to make square ...

STEP 1: Using a ruler draw two straight lines to make an angle. ... STEP 2: Put the pin of the compass at the point of the angle.

STEP 2: Use a ruler to draw a line from the end of the line through the dot and label the angle 40°. TIP: you won't know the exact length of this new side yet so draw it a bit longer than you ...