Yes, although it may seem strange.
Conventionally, on a Cartesian plane, angles are measured in an anticlockwise dirction, from the x-axis. Consequently, an angle in the clockwise direction could be considered a negative angle. It might be simpler to think of an angle of 359 degrees as one of -1 degrees, instead.
Sometimes you need to subtract one angle from another and in that context, a negative measure for the angle is implicit.
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One way is to use a protractor. There are others
The interior angle measurements of a regular pentagon is 180-(360/5), or 108 degrees.
38045
360 degrees
pi/2 radians.