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  • 题型:解答题 题类:期中考试 难易度:较易

    如图,在直四棱柱\(ABCD-A_{1}B_{1}C_{1}D_{1}\)中,底面\(ABCD\)为正方形,\(AA_{1}=2AB=4\),\(M\),\(N\),\(P\)分别是\(AD\),\(DD_{1}\),\(CC_{1}\)的中点.
    \((1)\)证明:平面\(MNC/\!/\)平面\(AD_{1}P\);
    \((2)\)求三棱锥\(D_{1}-ADP\)的体积.
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