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Sec 1.2 Measuring and Constructing Segments

Sec 1.2 Measuring and Constructing Segments. Definitions: Coordinate Distance Length Congruent Segments Construction Between Midpoint Bisect Segment Bisector. Postulates. Segment Addition: If B is between A and C then AB +BC = AC

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Sec 1.2 Measuring and Constructing Segments

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  1. Sec 1.2 Measuring and Constructing Segments Definitions: • Coordinate • Distance • Length • Congruent Segments • Construction • Between • Midpoint • Bisect • Segment Bisector

  2. Postulates • Segment Addition: If B is between A and C then AB +BC = AC A B C • Ruler Postulate: The points on a line can be put into a one to one correspondence with the real numbers

  3. Just an FYI • Congruent symbol ≅ is used for figures • Equal sign = is used for numbers • Congruent segments are segments that have the same length. • In the diagram, PQ = RS, so PQRS. • “segment PQ is congruent to segment RS.” • Tick marks are used in a figure • to show congruent segment

  4. Construct Congruent Segments • http://www.mathopenref.com/constcopysegment.html

  5. Construct Segment Bisector • http://www.mathopenref.com/constbisectline.html

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