An angle of 159 degrees is considered an obtuse angle, as it measures greater than 90 degrees but less than 180 degrees. In standard position, it would fall in the second quadrant of a Cartesian coordinate system, between 90 and 180 degrees. This angle is often used in geometry, trigonometry, and physics to describe various measurements and relationships.
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21 degree angle
It is an obtuse angle because it is greater than 90 but less than 180 degrees
A 90 degree angle is a right angle.
118 degree angle
A 22 degree angle is an acute angle