 
			 
			MCQOPTIONS
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				| 1. | Oblique planes come under ________________ | 
| A. | planes perpendicular to both reference planes | 
| B. | planes perpendicular to one reference plane and inclined to other reference plane | 
| C. | planes inclined to both the reference planes | 
| D. | planes parallel to one reference plane and perpendicular to other reference plane | 
| Answer» D. planes parallel to one reference plane and perpendicular to other reference plane | |