Question

Part 1:
Open your compass to any width as long as it will lie on the angle when you draw your arc.
Put your compass on point B and draw two arcs. One arc will intersect the segment AB and the other will intersect segment CB.
Put your compass on the intersection point on AB and draw an arc through AC. Do the same thing for the intersection point of CB.
Draw a point of intersection on Line AC and label it point D.