如图,已知长方体ABCD-A1B1C1D1中,AB=AA1=2,BC=3,M为AC1与CA1的交

如图,已知长方体ABCDA1B1C1D1中,ABAA12BC3MAC1CA1的交点,则M点的坐标为________

答案

 (11)

[解析] 由长方体的几何性质得,MAC1的中点,

在所给的坐标系中,A(0,0,0)C1(2,3,2)

中点M的坐标为(11)

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