F.3,,coordinates!
2008-07-21 1:53 am
回答 (1)
2008-07-21 4:57 am
✔ 最佳答案
parallelogram ABCDAD//BC, AB // CD
slope of AD = slope of BC = (12-10) / (13-5) = 1/4
slope of AB = slope of CD = (12-5) / (13-10) = 7/3
收錄日期: 2021-04-13 15:50:51
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