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Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決
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已知正方形ABCD的面積為35,E,F分別為AB線段,BC線
Mar 9th 2014, 11:51

已知正方形ABCD的面積為35,E,F分別為AB線段,BC線段上的點,AF線段,CE線段相交於點G,並且三角形ABF的面積為5,三角形BCE的面積為14,求四邊形BEGF的面積=?

  • 2014-03-10 07:45:07 補充

    可以說一下為何AG:FG=7:20嗎?

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