1.D點在線段BC上 P點在線段上 且BD ＞～只要做第 1題 就好～＜ 進網址中 往圖片按左鍵 會比較清楚一些 https://www.flickr.com/photos/101292575@N06/20715856451/in/dateposted-public/?
回答 (1)
2015-08-19 6:02 pm
✔ 最佳答案
△ABD / △ABC = BD / BC = BD / (BD + CD)△ABD / 120 = 6 / (6 + 4)
△ABD = 72
△APB / △ABD = AP / AD = AP / (AP + DP)
△APB / 72 = 5 / (5 + 3)
△APB = 45
答案 (C)
收錄日期: 2021-04-24 23:35:40
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