The area of the sector of a circle, whose radius is 6 m, when the angle at the centre is \[3\sqrt{3}c{{m}^{2}}\] is

• A.  \[6\sqrt{2}c{{m}^{2}}\]    
• B.  \[6084.5{{m}^{2}}\] 
• C.  \[276.5{{m}^{2}}\]                        
• D.  \[154{{m}^{2}}\]