Find the area of the following triangle.

• A. \[\frac{1}{2}c{{m}^{2}}\]                               
• B. \[\frac{1}{3}c{{m}^{2}}\]        
• C.  \[\frac{1}{4}c{{m}^{2}}\]      
• D. \[\frac{1}{5}c{{m}^{2}}\]
• E. None of these