\[\boxed{\ \mathbf{47\ (47)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[MN = 6\ см\ 3\ мм\]
\[AC = 5\ см\ 3\ мм\]
\[\boxed{\ \mathbf{47}\mathbf{\ (44)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\textbf{а)}\ AB;\ \ BC;AC;\ \ BK\]
\[\textbf{б)}\ OP;\ \ PT;\ \ OT;\ \ OR;\ \ PR;\ \ RT\]
\[\textbf{в)}\ AD;\ \ AE;\ \ AC;\ \ EC;\ \ CD;\ \ ED\]
\[\textbf{г)}\ MN;\ \ NP;\ \ PQ;\ \ MQ;\ \ ME;\ \ \]
\[EQ;\ \ NE;\ \ EP\]