ePlane Figures.txt

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Author:
connika
ID:
167603
Filename:
ePlane Figures.txt
Updated:
2012-08-27 00:06:42
Tags:
Definitions such Point Line Ray
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Description:
Definitions such as Point, Line & Ray
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  1. Point
    A point is an exact location in space.
  2. Line
    A line is a strait path that extends without end in both/opposite directions
  3. Ray
    A ray is a part of a line that has an end point and extends without ending in the opposite/one direction.
  4. Line Segment
    A line segment is part of a line or ray that extends from one end point to another.
  5. Plane
    A plane is a perfectly flat surface that extend infinitely on all directions.
  6. Congruent
    Congruent is if they have the same shape and size.
  7. Angle
    An angle is formed by two rays with a common endpoint
  8. Vertex
    The common end point is the vertex
  9. Right angle
    A right angle is an angle that measures exactly 90*
  10. Acute angle
    An acute angle is an angle that measures less than 90*
  11. Obtuse angle
    An obtuse angle is an angle that measures more than 90* but less than 180*
  12. Strait angle
    A strait is an angle that measures exactly 180*
  13. Complementary angles
    If the sum of the 2 angles is 90* than the angles are complementary
  14. Supplementary angles
    If the sum of the 2 angles are 180* than the angles are supplementry
  15. Perpendicular lines
    Are 2 lines that intersect forming a 90* angle
  16. Parallel lines
    Some lines in the same plane that do intersect at all
  17. Skew lines
    Do not intersect and yet they they are also not parallel
  18. Vertical angles
    R the opposite angles formed by 2 intersecting lines
  19. Transversal
    Is a line that intersects 2 or more lines 8 angles are formed
  20. Circle
    Is a set of all points in a plane that are the same distance from a givin point
  21. Center of circle
    The given point on a circle is the center of the circle
  22. Arc
    Part of a circle named by its endpoints
  23. Radius
    Line segment whose endpoints are the center of the circle
  24. Diameter
    Line segment that passes through the center of the circle
  25. Chord
    Line segment whose endpoints are any 2 on the circle
  26. Central angle
    • Of a circle is an angle formed
    • By 2 radii
  27. Sector
    Part of circle enclosed by 2 radii
  28. Polygon

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