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Unit 12: Line Bisectors and Angle Bisectors

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Notes of Unit 12: Line Bisectors and Angle Bisectors of the book “Mathematics 9” is given on this page. It is written by Dr. Karamat H. Dar and Prof. Irfan-ul-Haq and this book is published by Carvan Book House, Lahore, Pakistan.

After studying this unit, the students will be able to:

  • prove that any point on the right bisector of a line segment is equidistant from its end points.
  • prove that any point equidistant from the end points of a line segment is on the right bisector of it.
  • prove that the right bisectors of the sides of a triangle are concurrent.

Solutions

The following theorems was send by Bahadar Ali Khan. We are very thankful to him for sending these notes.

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