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Points, Rays, Lines & Segments

Points, Rays, Lines & Segments. B. Point B. Y. X. Line Segment XY. X. Y. Line Segment YX. D. C. Line Segment CD. M. N. Line NM. N. M. Line MN. B. A. Ray AB. A. B. Ray BA. Naming & classifying angles. Angles.

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Points, Rays, Lines & Segments

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  1. Points, Rays, Lines & Segments

  2. B Point B

  3. Y X Line Segment XY

  4. X Y Line Segment YX

  5. D C Line Segment CD

  6. M N Line NM

  7. N M Line MN

  8. B A Ray AB

  9. A B Ray BA

  10. Naming & classifying angles

  11. Angles An angle is formed when two rays have a common vertex. An angle is made up of at least three points. We can name and angle using a number or three letters

  12. Angles Let’s watch this quick video on naming angles: http://www.khanacademy.org/math/geometry-1/core-geometry/v/angle-basics

  13. Acute Angles Measures less than 90 degrees 2 < 2 1 < 1

  14. Right Angle P Measures 90 degrees R < RPQ or < QPR P R Q Q < PQR or < RQP

  15. Right Angle Measures greater than 90 degrees < 3 3 < ABC or <CBA A B C

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