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  1. How to use a protractor?
    • What is an angle bisector?
    • How to draw it?
  1. Draw the angle bisector of \angleHIJ. Then, measure and record the two angles made by the angle bisector.
    angle bisector
    1. Sarah is getting ready to start quilting a new blanket. She has cut a triangle out of the fabric as shown below. Now, she wants to cut the triangle in half. Show how she can do this using an angle bisector.
      angle bisector word problem
      1. The roof of the house below (represented by triangle ABC) needs a support beam that is the perpendicular bisector of AC. Draw the support beam so that it extends from the bottom of the roof to the top of the roof.
        angle and perpendicular bisector