ABCD is a parllelogram. E is a point lying on AB. If EC and BD intersect at F,
what percentage of the area of triangle DEF is the area of triangle CBF?
Areas
2013-03-31 12:18 am
回答 (2)
2013-03-31 1:59 am
2013-03-31 1:22 am
any pictures for this question? If yes scan on here
收錄日期: 2021-04-26 14:11:43
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https://hk.answers.yahoo.com/question/index?qid=20130330000051KK00189