На рисунке \(\displaystyle AK=BM{\small,}\) \(\displaystyle \angle AMK=\angle BKM=90^{\circ}{\small.}\) Найдите длину отрезка \(\displaystyle AM{\small,}\) если \(\displaystyle BK=3{\small.}\)

\(\displaystyle AM=\)[ ]\(\displaystyle {\small.}\)