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Symbols & Terms

Symbols & Terms. Write a paragraph using each of the following words: point line plane segment ray angle. Identify examples of points, lines, and planes in each of these pictures. Symbols & Terms. Explain, in your own words, what point , line and plane mean. Description -

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Symbols & Terms

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  1. Symbols & Terms Write a paragraph using each of the following words: point line plane segment ray angle

  2. Identify examples of points, lines, and planes in each of these pictures.

  3. Symbols & Terms Explain, in your own words, what point, line and plane mean.

  4. Description - a set of points that extends in two directions without end; it has length but no thickness - Real world example Description - a location in space - Real world example Description - a flat surface that extends in all directions without end; it has no thickness - Real world example line point plane Drawing - - Notation Drawing - - Notation Drawing - - Notation

  5. Symbols & Terms Description - a location in space - Real world example point Drawing – • Notation

  6. Symbols & Terms Description - a set of points that extends in two directions without end; it has length but no thickness - Real world example line Drawing - - Notation

  7. Symbols & Terms Description - a flat surface that extends in all directions without end; it has no thickness - Real world example plane Drawing - - Notation

  8. Symbols & Terms • Collinear (co-linear) means on the same line. • Any two points are collinear. • More than two points may or may not be collinear.

  9. Symbols & Terms • Coplanar (co-planar) means on the same plane. • Points and/or lines may be coplanar. • Any three points are coplanar. • More than three points may or may not be coplanar.

  10. Symbols & Terms Description - points that are on the same line - Real world example collinear points Drawing – • Notation

  11. Symbols & Terms Description - points that are in the same plane - Real world example coplanar points Drawing – • Notation

  12. Symbols & Terms Description - lines that are in the same plane - Real world example coplanar lines Drawing – • Notation

  13. Name three balls that are collinear. Ball A is in the guy’s pocket.Ball C is on the girl’s racket. All other balls are on the tennis court.

  14. Name three balls that arecoplanar but not collinear. Ball A is in the guy’s pocket.Ball C is on the girl’s racket. All other balls are on the tennis court.

  15. Name four balls that are not coplanar. Ball A is in the guy’s pocket.Ball C is on the girl’s tennis racket. All other balls are on the tennis court.

  16. Symbols & Terms • Name each line in three different ways. • Draw . Don’t forget to use arrowheads to show that it extends indefinitely. E m P A R T

  17. Symbols & Terms • Intersecting lines are lines that meet. • Lines intersect at a point. • Intersecting planes are planes that meet. • When planes intersect, a line is formed.

  18. Symbols & Terms Description - lines that meet - Real world example intersecting lines Drawing – • Notation

  19. Symbols & Terms Description - planes that meet - Real world example intersecting planes Drawing – • Notation

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