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Unit 4 – Flip, Slide & Turn

Unit 4 – Flip, Slide & Turn. Vocabulary. Unit 4 – Flip, Slide & Turn - Vocabulary. Plane :  One of the basic undefined terms of geometry. A plane goes on forever in all directions (in two-dimensions) and is "flat" (i.e., it has no thickness). Unit 4 – Flip, Slide & Turn - Vocabulary.

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Unit 4 – Flip, Slide & Turn

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  1. Unit 4 – Flip, Slide & Turn Vocabulary

  2. Unit 4 – Flip, Slide & Turn - Vocabulary Plane:  One of the basic undefined terms of geometry. A plane goes on forever in all directions (in two-dimensions) and is "flat" (i.e., it has no thickness).

  3. Unit 4 – Flip, Slide & Turn - Vocabulary Line Segment:  The part of a line between two points on the line. Sometimes referred to as a segment.

  4. Unit 4 – Flip, Slide & Turn - Vocabulary Line:  A line has no thickness but its length goes on forever in two directions.

  5. Unit 4 – Flip, Slide & Turn - Vocabulary Point:  A point has no length, width, or thickness, and we often use a dot to represent it.

  6. Unit 4 – Flip, Slide & Turn - Vocabulary Endpoint:  The point at an end of a line segment or ray.

  7. Unit 4 – Flip, Slide & Turn - Vocabulary Intersection: The point at which two or more lines, rays, or line segments meet or cross.

  8. Unit 4 – Flip, Slide & Turn - Vocabulary Ray:  A ray begins at a point and goes on forever in one direction.

  9. Unit 4 – Flip, Slide & Turn - Vocabulary Angle:  Region between two rays or the amount of rotation about a fixed point.

  10. Unit 4 – Flip, Slide & Turn - Vocabulary Parallel Lines:  Two lines that lie in the same plane and they do not intersect (cross) and would not ever cross if they were extended (railroad tracks).

  11. Unit 4 – Flip, Slide & Turn - Vocabulary Perpendicular Lines:  Two lines, rays or line segments that meet or cross at a right angle.

  12. Unit 4 – Flip, Slide & Turn - Vocabulary Corresponding Angles:  Angles that have the same relative positions in geometric figures.

  13. Unit 4 – Flip, Slide & Turn - Vocabulary Corresponding Sides:  Sides that have the same relative positions in geometric figures.

  14. Unit 4 – Flip, Slide & Turn - Vocabulary Congruent:  Having the same size, shape and measure.

  15. Unit 4 – Flip, Slide & Turn - Vocabulary Transformation:  The mapping, or movement, of all the points of a figure in a plane according to a common operation.

  16. Unit 4 – Flip, Slide & Turn - Vocabulary Translation:  A transformation that "slides" each point of a figure the same distance in the same direction.

  17. Unit 4 – Flip, Slide & Turn - Vocabulary Reflection:  A transformation that "flips" a figure over a mirror or reflection line.

  18. Unit 4 – Flip, Slide & Turn - Vocabulary Reflection Line:  A line that acts as a mirror in the form of a perpendicular bisector so that corresponding points are the same distance from the mirror.

  19. Unit 4 – Flip, Slide & Turn - Vocabulary Rotation:  A transformation that turns a figure about a fixed point at a given angle and a given direction.

  20. Unit 4 – Flip, Slide & Turn - Vocabulary Bisector of a line:  the straight line or ray that divides a line segment or angle into two congruent segments.

  21. Unit 4 – Flip, Slide & Turn - Vocabulary Angle of Rotation:  The number of degrees that a figure is rotated about a fixed point.

  22. Unit 4 – Flip, Slide & Turn - Vocabulary Coincide: To occupy the same position in space; correspond exactly or be identical.

  23. Unit 4 – Flip, Slide & Turn - Vocabulary Skew: Lines not in a plane that don’t meet.

  24. Unit 4 – Flip, Slide & Turn - Vocabulary Right Angle: An angle that measures 90°.

  25. Unit 4 – Flip, Slide & Turn - Vocabulary Obtuse Angle: An angle that measures more than 90° but less than 180 °.

  26. Unit 4 – Flip, Slide & Turn - Vocabulary Acute Angle: An angle that measures less than 90°.

  27. Unit 4 – Flip, Slide & Turn - Vocabulary Vertex: a point at which two or more sides or edges of a geometric figure meet.

  28. Unit 4 – Flip, Slide & Turn - Vocabulary Dilation: a change in the size of an object without changing the shape.

  29. Unit 4 – Flip, Slide & Turn - Vocabulary Similar: Figures that have the same shape.

  30. Unit 4 – Flip, Slide & Turn - Vocabulary Scale factor: the ratio of the lengths of corresponding sides in similar figures.

  31. Unit 4 – Flip, Slide & Turn - Vocabulary Supplementary angles – Two angles whose measures, when added together, equal 180 degrees.

  32. Unit 4 – Flip, Slide & Turn - Vocabulary Complementary angles – Two angles whose measures, when added together, equal 90 degrees.

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