In any triangle \[AB=2,BC=4,CA=3\]and D is mid point of BC, then [Roor

1.	In any triangle \[AB=2,BC=4,CA=3\]and D is mid point of BC, then [Roorkee 1995]
A.	\[\cos B=\frac{11}{6}\]
B.	\[\cos B=\frac{7}{8}\]
C.	\[AD=2.4\]
D.	\[A{{D}^{2}}=2.5\]
Answer» E.

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In any triangle \[AB=2,BC=4,CA=3\]and D is mid point of BC, then [Roorkee 1995]

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