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Angles

  • A right angle is 90 degrees.
  • An acute angle is an angle smaller than 90 degrees.
  • An obtuse angle is an angle bigger than 90 degrees.
  • A reflex angle is an angle bigger than 270 degrees.
  • In a straight line there is 180 degrees.
  • A square has 360 degrees (90 degrees x4). 
  • A rectangle has 360 degrees (90 degrees x4).
  • A triangle has 180 degrees.
  • A circle has 360 degrees.

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