已知正方形ABCD的面積為35,E,F分別為AB線段,BC線:－new htc one開箱,htc手機評價,htc手機比較,htc手機遊戲,htc手機維修,htc手機價位,htc手機推薦,htc手機鈴聲,中華電信htc手機,htc手機截圖,亞太htc手機,

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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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