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angles45An angle is two rays that share a common endpoint. Angles are classified into groups according to their measure by degrees:

Acute Angle

 

  • An acute angle has an angle measure greater than 0 and less than 90 degrees

angles90Right Angle

  • A right angle has an angle measure equal to 90 degrees

 

Obtuse Angle

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  • An obtuse angle has an angle measure greater than 90 and less than 180 degrees

Straight Angle


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  • A straight angle has an angle measure equal to 180 degree

 

 

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