PRIN. OF DRAFTING AND SHOP DRAWINGS - OD1641 - LESSON 1/TASK 2
BISECT A LINE - FIRST METHOD.
(2) Bisect a Line - Second Method, (figure 23 on the following page).
assume that we have a line (1-2, view A). Again our problem is to divide the line
into two equal parts.
To divide this line into two equal parts, perform the
This method relies on drafting equipment for completion.
Any angle may be used in steps 1 and 2 as long as they are