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					 Among the angles 30°, 36°, 45°, 50° one angle cannot be an exterior angle of a regular polygon. The angle is
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                        -  30° 
 
-  36°
 
-  45° 
 
- 50°
 
-  30° 
Correct Option: D
As we know that Sum of exterior angles of a regular polygon = 360°
| But | = 7.2 ≠ a whole number | |
| 50 | 
Hence , 50° angle cannot be an exterior angle of a regular polygon .
 
	