As the Angle Increases, the Name Changes:
Type of Angle Description
Acute Angle: an angle that is less than 90°
Right Angle: an angle that is 90° exactly
Obtuse Angle: an angle that is greater than 90° but
less than 180°
Straight Angle: an angle that is 180° exactly
Reflex Angle: an angle that is greater than 180°
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