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**Angles in Standard Position**

**Definition**

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.