A vertical line AB, 75 mm long, has its end A in the H.P. and 25 mm in front of the V.P. A line AC, 100 mm long, is in the H.P. and parallel to the V.P. Draw the projections of the line joining B and C, and determine its inclination with the H.P. Assume them to be in the third quadrant, taking the given positions to be below the H.P. instead of above the H.P., and behind the V.P., instead of in front of the V.P. Also illustrate the procedure through which projections of lines could be drawn.