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Angles in Standard Position

An angle is in standard position if the initial point of its arm is at the origin and the angle between the arm and the positive x-axis is measured counterclockwise.




Acute Angle: An acute angle is an angle that measures less than 90 degrees.



Right Angle: An angle that is equal to 90 degrees.



Obtuse Angle: An obtuse angle is an angle that measures greater than 90 degrees.


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