小明准备以“青山看日出”为元素为永嘉县某名宿设计标志示意图,如图所示,他利用两个等边三角形和一个圆分别表示青山和日出,已知点
,
,
,
在同一条直线上,且
,四边形
和四边形
的面积之差为
,则
的长是______ ;连结
,若
是
的内切圆,则圆心
到
的距离是_______ .
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19-20九年级下·浙江·期中 查看更多[6]
(已下线)【新东方】【温州】【初三下】【数学】【00086】(已下线)专题2.7 切线长定理、三角形的内切圆【十大题型】-2023-2024学年九年级数学上册举一反三系列(苏科版)(已下线)专题24.7 切线长定理、三角形的内切圆【十大题型】-2023-2024学年九年级数学上册举一反三系列(人教版)(已下线)专题24.13 圆章末十大题型总结(培优篇)-2023-2024学年九年级数学上册举一反三系列(人教版)(已下线)专题2.13 对称图形——圆章末十大题型总结(培优篇)-2023-2024学年九年级数学上册举一反三系列(苏科版)2024年贵州省初中数学学业水平考试适应性训练模拟试题
更新时间:2023-10-18 17:29:40
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