5 2 perpendicular and angle bisectors
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5.2 Perpendicular and Angle Bisectors PowerPoint PPT Presentation


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5.2 Perpendicular and Angle Bisectors. A point is equidistant from two objects if it is the same distance from the objects. Perpendicular Bisector Theorem. If a point is on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment.

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5.2 Perpendicular and Angle Bisectors

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5 2 perpendicular and angle bisectors

5.2 Perpendicular and Angle Bisectors

  • A point is equidistant from two objects if it is the same distance from the objects.


Perpendicular bisector theorem

Perpendicular Bisector Theorem

  • If a point is on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment.


Converse of the perpendicular bisector theorem

Converse of the Perpendicular Bisector Theorem

  • If a point is equidistant from the endpoints of a segment, then it is on the perpendicular bisector of the segment.


Using the perpendicular bisector theorem

Using the Perpendicular Bisector Theorem

  • What is the length of segment AB?

    BA = BC

    4x = 6x – 10

    -2x = -10

    x = 5

    AB = 4x

    AB = 4 (5)

    AB = 20


Distance from a point to a line

Distance from a Point to a Line

  • The distance from a point to a line is the length of the perpendicular segment from the point to the line.

    • Is also the length of the shortest segment from the point to the line.


Angle bisector theorem

Angle Bisector Theorem

  • If a point is on the bisector of an angle, then the point is equidistant from the sides of the angle.


Converse of the angle bisector theorem

Converse of the Angle Bisector Theorem

  • If a point in the interior of an angle is equidistant from the sides of the angle, then the point is on the angle bisector.


Using the angle bisector theorem

Using the Angle Bisector Theorem

  • What is the length of segment RM?

    RM = RP

    7x = 2x + 25

    5x = 25

    x = 5

    RM = 7x

    RM = 7 (5)

    RM = 35


More practice

More Practice!!!!!

  • Homework – Textbook p. 296 – 297 #6 – 22.


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