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Geometry Lines and Angles

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  • lines that cross and form right angles
    perpendicular lines
  • TRUE or FALSE? Ray BC and CB name the same ray.
    FALSE
  • How many degrees are in a circle?
    360
  • What type of angle is this acute, right, straight, or obtuse?
    obtuse angle
  • What type of angle is shown acute, obtuse, right, or straight?
    right angle
  • TRUE or FALSE? Line BC and BD are the same line.
    TRUE
  • an angle greater than 90 and less than 180 degrees
    obtuse
  • lines in the same plane that never meet
    parallel lines
  • What type of angle is formed by the hands of a clock at 3 o'clock?
    right angle
  • measure of a straight angle
    180 degrees
  • TRUE or FALSE? BC and CB name the same line segment.
    TRUE
  • TRUE or FALSE? Line segments BC and BD name the same line segment.
    FALSE
  • What kind of angle is this, acute, right, straight or obtuse?
    Acute angle
  • Which angle is bigger, <A or <B?
    <A
  • Name the ray.
    SR
  • An angle with less than 90 degrees
    acute angle
  • An angle with 90 degrees
    right angle
  • lines that cross at one point
    intersecting lines
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