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# Names of Angles

List and definition of individual names for the different kinds of angles. If for one angle a span between two values is given, both limiting values don't belong to that kind of angle.

**0°**zero angle**0° - 90°**acute angle**90°**right angle**90° - 180°**obtuse angle**180°**straight angle**180° - 360°**reflex angle**360°**perigon angle

Oblique are angles which are not integer multiples of 90°. Zero and perigon angle point to the same direction. The straight angle points to the opposite direction. The right angle is perpendicular to the original direction.

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