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Clearnote
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Junior High
Mathematics
相似形應用
Mathematics
Junior High
Resolved
6 monthsago
自律的JJ
相似形應用
CD 公里 10. 如右圖,甲、乙兩人分別在大樓(AB)的正東方與正西方 3 E F6H 立一根長3公尺的標竿,並使兩標竿與大樓的位置在一條 直線上,從左邊的標竿後退9公尺,由地上向上望,竿頂 (C)與大樓頂(4點)在一直線上,而從右邊的標竿後退6公尺,由地上向上望, G 9 D B 標竿頂(E點)與大樓頂在同一直線上,若BD比BF長30公尺,則BD-AB=? =30
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✨ Best Answer ✨
丁輝人的貓
6 monthsago
平行線截取比例線段
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