 
			 
			MCQOPTIONS
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				| 1. | From the figure, the value of D can be given as_____________ | 
| A. | D = (b tan α1) / (tan α1 – tan α2) | 
| B. | D = (b tan α2) / (tan α2 – tan α1) | 
| C. | D = (b tan α1) / (tan α2 – tan α1) | 
| D. | D = (b tan α2) / (tan α1 – tan α2) | 
| Answer» C. D = (b tan α1) / (tan α2 – tan α1) | |