Reference angle calculator calculates the reference angle of an angle.
Find the Reference Angle | 
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| Angle | |||
| Reference Angle | |||
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| Reference Angle = Angle | Reference Angle = 180° - Angle | 
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	![]()  | 
| Reference Angle = Angle - 180° | Reference Angle = 360° - Angle | 
Find the Reference Angle | 
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| Angle | Reference Angle | 
|---|---|
| 0° | 0° | 
| 5° | 5° | 
| 10° | 10° | 
| 15° | 15° | 
| 20° | 20° | 
| 25° | 25° | 
| 30° | 30° | 
| 35° | 35° | 
| 40° | 40° | 
| 45° | 45° | 
| 50° | 50° | 
| 55° | 55° | 
| 60° | 60° | 
| 65° | 65° | 
| 70° | 70° | 
| 75° | 75° | 
| 80° | 80° | 
| 85° | 85° | 
| 90° | 90° | 
| 95° | 85° | 
| 100° | 80° | 
| 105° | 75° | 
| 110° | 70° | 
| 115° | 65° | 
| 120° | 60° | 
| 125° | 55° | 
| 130° | 50° | 
| 135° | 45° | 
| 140° | 40° | 
| 145° | 35° | 
| 150° | 30° | 
| 155° | 25° | 
| 160° | 20° | 
| 165° | 15° | 
| 170° | 10° | 
| 175° | 5° | 
| 180° | 0° | 
| 185° | 5° | 
| 190° | 10° | 
| 195° | 15° | 
| 200° | 20° | 
| 205° | 25° | 
| 210° | 30° | 
| 215° | 35° | 
| 220° | 40° | 
| 225° | 45° | 
| 230° | 50° | 
| 235° | 55° | 
| 240° | 60° | 
| 245° | 65° | 
| 250° | 70° | 
| 255° | 75° | 
| 260° | 80° | 
| 265° | 85° | 
| 270° | 90° | 
| 275° | 85° | 
| 280° | 80° | 
| 285° | 75° | 
| 290° | 70° | 
| 295° | 65° | 
| 300° | 60° | 
| 305° | 55° | 
| 310° | 50° | 
| 315° | 45° | 
| 320° | 40° | 
| 325° | 35° | 
| 330° | 30° | 
| 335° | 25° | 
| 340° | 20° | 
| 345° | 15° | 
| 350° | 10° | 
| 355° | 5° | 
| 360° | 0° | 
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