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There are three undefined terms in Geometry which are: A. Point B. Line C. Plane

There are three undefined terms in Geometry which are: A. Point B. Line C. Plane. Symbols & Terms. Description - a location in space. - Real world example. point. Drawing –. Notation of Drawing. Symbols & Terms. Description -

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There are three undefined terms in Geometry which are: A. Point B. Line C. Plane

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  1. There are three undefined terms in Geometry which are: A. Point B. Line C. Plane

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

  3. 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 of Drawing

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

  5. 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.

  6. 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.

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

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

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

  10. Symbols & Terms • Name each line in three different ways. • Draw the KL. E m P • Are these point collinear? . A G R T . R

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

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

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

  14. Draw Plane K containing the points A, L, Z. • Draw a Plane H that contains ER intersecting ST at Y.

  15. Draw Plane J that contains noncollinear points G, F, R. • Draw WE intersecting plane T at point H.

  16. Draw Plane RTY intersecting plane H at FG.

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