ГДЗ по геометрии 11 класс. Атанасян ФГОС 2

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\[\textbf{а)}\ C;C_{1};D;D_{1};K;M;R \in DCC_{1}\]

\[B;B_{1}C;C_{1};P;Q;M \in BQC\]

\[\textbf{б)}\ AA_{1} = AA_{1}B_{1} \cap AA_{1}D_{1}\]

\[AA_{1} \subset AA_{1}B_{1};\]

\[AA_{1} \subset AA_{1}D_{1};\]

\[AA_{1} \subset AA_{1}C;\ \]

\[AA_{1} \subset AA_{1}P;\]

\[AA_{1} \subset AA_{1}Q;\]

\[AA_{1} \subset AA_{1}\text{R.}\]

\[\textbf{в)}\ R = MK \cap ABD;\]

\[D_{1} = DK \cap A_{1}B_{1}C_{1};\]

\[Q = BP \cap A_{1}B_{1}C_{1}.\]

\[\textbf{г)}\ AB = AA_{1}B_{1} \cap ACD\]

\[BC = PB_{1}C_{1} \cap ABC\]

\[\textbf{д)}\ R = MK \cap DC;\]

\[Q = B_{1}C_{1} \cap BP;\]

\[C = C_{1}M \cap DC.\]