 
			 
			MCQOPTIONS
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				| 1. | The_measuring_line_or_the_line_of_heights_is_the_trace_or_the_line_of_intersection_with_the___________plane,_of_the_vertical_plane_containing_the_point_or_points_whose_heights_are_to_be_determined.$ | 
| A. | ground plane | 
| B. | picture plane | 
| C. | horizontal plane | 
| D. | central plane | 
| Answer» C. horizontal plane | |