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题库 / GMATAdvanced-PS-37
The surface distance between 2 points on the surface of a cube is the length of the shortest path on the surface of the cube that joins the 2 points. If a cube has edges of length 4 centimeters what is the surface distance, in centimeters, between the lower left vertex on its front face and the upper right vertex on its back face?
8
4 ~$\sqrt{5}$~
8~$\sqrt{2}$~
12~$\sqrt{2}$~
4~$\sqrt{2}$~ +4
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注意surface距离不是直线距离！
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