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Classifying Angles

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    Classify each angle as straight, obtuse, right, or acute.
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  • Is this angle straight, obtuse, right, or acute?
    Acute
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  • Is this angle straight, obtuse, right, or acute?
    Acute (it is less than 90 degrees)
  •  15
  • Is this angle straight, obtuse, right, or acute?
    Obtuse (greater than 90 degrees, less than 180 degrees)
  •  15
  • Is this angle straight, obtuse, right, or acute?
    Right angle (it is 90 degrees).
  •  15
  • Is this angle straight, obtuse, right, or acute?
    Right angle (it is 90 degrees)
  •  15
  • Is this angle straight, obtuse, right, or acute?
    Straight angle
  •  15
  • Is this angle straight, obtuse, right, or acute?
    Obtuse angle (between 90 and 180 degrees)
  •  15
  • Is this angle straight, obtuse, right, or acute?
    Obtuse (between 90 and 180 degrees)
  •  15
  • Is this angle straight, obtuse, right, or acute?
    Straight angle
  •  15
  • Is this angle straight, obtuse, right, or acute?
    Right angle (90 degrees)
  •  15
  • Is this angle straight, obtuse, right, or acute?
    Straight angle
  •  15