question_answer

In a \[\Delta \mathbf{ABC}\]if\[~\angle \mathbf{A}=\mathbf{30}{}^\circ ,\text{ }\angle \mathbf{B}=\mathbf{90}{}^\circ \]and\[~\mathbf{AC}=\mathbf{10cm}\], then find AB and BC.

A) \[5\sqrt{2}cm,\,\,5cm\]     

B) \[5\sqrt{2}cm,\,\,3cm\]

C) \[5\sqrt{3}cm,\,\,3cm\]       

D)   \[5\sqrt{2}cm,\,\,8cm\]

E) None of these