ГДЗ по математике 5 класс Ерина. Никольский рабочая тетрадь Часть 1, 2 Часть 1 | Страница 62

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\[\boxed{\mathbf{4.}}\]

\[\textbf{а)}\ AEBD;ETCD;ADCT;ODCT.\]

\[\textbf{б)}\ ABCD;BNAC;BMAC;KBDA;\]

\[OBDA;TBDA;\]

\[DTCB;BETC;BQTC;BGTC;\]

\[CKOT;FOBE;\]

\[FOBQ;FOBG;FOBD;MQGN;\]

\[MQEA;MQFA;\]

\[GNAE;GNAF;ATQM;ATGN;\]

\[TCKF;FKBE;\]

\[FKBQ;FKBG;FKBD.\]

\[\boxed{\mathbf{5.}}\]

\[\textbf{а)}\ ABC;ABCD;ABCE.\]

\[\textbf{б)}\ ACE;ADE;ADC.\]

\[\boxed{\mathbf{6.}}\]

\[P = 3 + 4 + 5 = 12\ см.\]