zero angle: 0°, nothing between the two sides, exterior of a full angle, acute angle: 45°, 2°, 89°, 0° < angle < 90°, right angle: 90°, half of a straight angle, obtuse angle: 120°, 94°, 177°, 90° < angle < 180°, straight angle: 180°, straight line with a point, sum of two right angles, half of a full angle, reflex angle: 181°, 359°, 234°, 180° < angle < 360°, full angle: 360°, exterior of a zero angle, a full circle,

Me5a Math - Sorting angles

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