如图ABCD是一个梯形,E是AD的中点,直线CE把梯形分成甲、乙两部分,其面积之比是15:7。问上底AB与下底CD的长度之比是: A.5:7 B.6:...

作者: tihaiku 人气: - 评论: 0
问题 如图ABCD是一个梯形,E是AD的中点,直线CE把梯形分成甲、乙两部分,其面积之比是15:7。问上底AB与下底CD的长度之比是:
选项 A.5:7 B.6:7 C.4:7 D.3:7
答案 C
解析

相关内容:如图,梯形,中点,直线,面积,下底,长度

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