問題詳情
23. 如圖(九),G為△ABC的重心,M、N兩點分別在 
上 ,且 
。若 
=4, 
=3,∠B=90°,則長方形MBNG的面積為何?
(A)2
(B)3
(C)3/4
(D)4/3
參考答案
無參考答案
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