徵求高手. MATHS
2010-05-15 7:18 am
ABCDEF is a regular hexagon of side 4 cm each. G is a point 8 cm right above the center of the regular hexagon. Find angle between plane AGB and CGD. ( ABCDEF are assigned in order).
回答 (1)
2010-05-15 6:05 pm
✔ 最佳答案
=====================================================圖片參考：http://img412.imageshack.us/img412/2543/69812797.png
2010-05-15 10:05:26 補充：
http://img412.imageshack.us/img412/2543/69812797.png
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