Cube是正立方体的意思么？

emilzhu750 · 发表于 2007-10-20 01:16:00

请问GWd中３-22中Cube是正立方体的意思么？

B

A

What is the volume of the cube above?

(1) The surface area of the cube is 600 square inches.

(2) The length of diagonal AB is 10√3 inches.

怎么选d那？

图我怎么贴都铁不上来：（

sydneyang · 发表于 2007-10-20 01:20:00

The answer is D. Use Pathagorean theory to find out the lenghts of legs.

"Cube是正立方体的意思么？" Yes.

a89578251 · 发表于 2007-10-20 10:02:00

yes.

lzkisslife · 发表于 2007-10-20 17:37:00

恩呐

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