If \[A={{30}^{o}},c=7\sqrt{3}\]and \[C={{90}^{o}}\]in \[\Delta ABC\], then a =

If \[A={{30}^{o}},c=7\sqrt{3}\]and \[C={{90}^{o}}\]in \[\Delta ABC\],

1.	If \[A={{30}^{o}},c=7\sqrt{3}\]and \[C={{90}^{o}}\]in \[\Delta ABC\], then a =
A.	\[7\sqrt{3}\]
B.	\[\frac{7\sqrt{3}}{2}\]
C.	\[\frac{7}{2}\]
D.	None of these
Answer» C. \[\frac{7}{2}\]

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If \[A={{30}^{o}},c=7\sqrt{3}\]and \[C={{90}^{o}}\]in \[\Delta ABC\], then a =

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