一零三 How tall(vertical) fromthe bottom of the ground to the top of the both flags?There is no other dataprovide in the sta0tement except giving the height of the two flags. 1) give the slop & angle=60. ( OK) 2) the distance between the point at the corner of the slop at ground and thepoint at exactly below the flag at ground. (X)
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发表于 2012-4-19 20:31:41
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