\[Дано:\]
\[\mathrm{\Delta}MKP;\]
\[R_{опис.\ окр} = 5\ см;\]
\[\sin{\angle M} = 0,7.\]
\[Найти:\]
\[\text{KP.}\]
\[Решение.\]
\[R = \frac{\text{KP}}{2\sin{\angle M}}\]
\[KP = 2R \bullet \sin{\angle M}\]
\[KP = 2 \bullet 5 \bullet 0,7 = 7\ см.\]
\[Ответ:\ \ 7\ см.\]