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1. |
If the vectors \(\overrightarrow a = 2\widehat i - 3\widehat j - \widehat k\) and \(\overrightarrow b = \widehat i + 4\widehat j - 2\widehat k\) represent the two sides of any triangle, then the area of that triangle is: |
A. | \(\frac{1}{2}\sqrt {232} \) square units |
B. | \(\sqrt {234} \) square units |
C. | \(\sqrt {250} \) square units |
D. | \(\frac{1}{2}\sqrt {230} \) square units |
Answer» E. | |