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Geometry Unit 1 Geometry Basics

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  • Two lines intersect at a ____________.
    Point.
  • A point has no __________ or __________.
    size or shape
  • Name two ways to name a line.
    You can name a line with any two points on the line, or a lowercase script letter.
  • A _________ is a flat surface made up of points.
    Plane
  • True of False: A plane extends indefinitely in one direction.
    False. A plane extends indefinitely in ALL directions.
  • True or False: Always use a lower case letter to name a point.
    False! You always use a CAPITAL LETTER to name a point.
  • True or False: Points that do NOT lie on the same line are called collinear.
    False. Collinear points are all on the same line.
  • A point is a
    location
  • What are colinear points?
    Points that lay on the same line.
  • Any ________ points form a line.
    Any 2 points form a line.
  • A line is made up of what?
    points
  • There are two ways to name a plane. Name one.
    A plane can be named by any three non-collinear points on the plane, or an uppercase script letter.
  • What are NON-COPLANAR POINTS?
    Points that DO NOT lie on the same plane.
  • Points that lie on the same plane are called what?
    Coplanar.
  • How many points does it take to make up a plane?
    Any 3 points make up a plane.
  • How do you determine the thickness or width of a line?
    A line has NO thickness or width.