Find the area of triangle whose two sides are represented by the vecto

1.	Find the area of triangle whose two sides are represented by the vectors 3i + 4j and 5i + 7j + k is
A.	\(\sqrt {26}\over 2\)
B.	\(\sqrt{26}\)
C.	13
D.	\(\sqrt{13}\over 2\)
Answer» B. \(\sqrt{26}\)

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Find the area of triangle whose two sides are represented by the vectors 3i + 4j and 5i + 7j + k is

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