在
中,
,
,
,
是
边上的高.将
按如图所示的方式折叠,使点
与点
.重合,折痕为
,则
的周长为( )
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A.9.5 | B.10 | C.11 | D.15.5 |
22-23八年级下·贵州黔西·期末 查看更多[2]
贵州省黔西南布依族苗族自治州兴仁市金成实验学校(黔龙、黔峰)2022-2023学年八年级下学期期末数学试题(已下线)专题9.37 三角形的中位线(题型分类拓展)-2023-2024学年八年级数学下册基础知识专项突破讲与练(苏科版)
更新时间:2023-10-07 19:29:48
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