PG 591 #8
8a. Draw any triangle. label it Triangle ABC.
b. Construct M, the midpoint of line AB
c. Through M, construct a line parrallel to AC. Let N be the point where this line intersects line BC.
d. Hide the line. Then draw line MN.
e. Drag one of the vertices of triangle ABC, then compare the lengths of line MN and line AC.