MCQOPTIONS
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				| 1. | 
                                    How do we write "\[\overrightarrow{\text{PQ}}\] is perpendicular to \[\overrightarrow{\text{RS}}\,\,\text{''}\] symbolically? | 
                            
| A. | \[\overleftrightarrow{\text{PQ}}\bot \overleftrightarrow{\text{RS}}\] | 
| B. | \[\overleftrightarrow{\text{PQ}}//\overleftrightarrow{\text{RS}}\] | 
| C. | \[\overleftrightarrow{\text{PQ}}\ne \overleftrightarrow{\text{RS}}\] | 
| D. | \[\overleftrightarrow{\text{PQ}}=\overleftrightarrow{\text{RS}}\] | 
| Answer» B. \[\overleftrightarrow{\text{PQ}}//\overleftrightarrow{\text{RS}}\] | |