Paper Folding Constructions

1. Draw a line segment. Then construct a line that is
   1. perpendicular to it
   2. parallel to it
2. Draw an angle on your paper. Construct its bisector.
3. Draw a triangles on 4 sheets of patty paper. Use one triangle for each construction below.
   1. Carefully construct the three altitudes of the first triangle.
   2. Carefully construct the three medians of the second triangle.
   3. Carefully construct the three perpendicular bisectors of the third triangle.
   4. Carefully construct the three angle bisectors of the fourth triangle.