\[\boxed{\mathbf{2.}\mathbf{82.ОК\ ГДЗ - домашка\ на\ }5}\]
\[MN = 47\ см.\]
\[\textbf{а)}\ MK = 13\ см;\ \ PN = 18\ см:\]
\[KP = MN - (KN + MK) =\]
\[= 47 - (13 + 18) =\]
\[= 47 - 31 = 16\ см.\]
\[\textbf{б)}\ MP = 34\ см;KN = 18\ см:\]
\[KP = MP - KN =\]
\[= 34 - 18 = 16\ см.\]