工人师傅为检测该厂生产的一种铁球的大小是否符合要求,设计了一个如图(1)所示的工件槽,其两个底角均为90°,将形状规则的铁球放入槽内时,若同时具有图(1)所示的A、B、E三个接触点,该球的大小就符合要求.图(2)是过球心及A、B、E三点的截面示意图,已知⊙O的直径就是铁球的直径,AB是⊙O的弦,CD切⊙O于点E,AC⊥CD、BD⊥CD,若CD=16cm,AC=BD=4cm,则这种铁球的直径为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/6/545f6821-d49d-4886-bc46-9171c5631211.png?resizew=146)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/6/ed2923c7-8f0e-471e-83f2-51cf41edcc31.png?resizew=148)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/6/545f6821-d49d-4886-bc46-9171c5631211.png?resizew=146)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/6/ed2923c7-8f0e-471e-83f2-51cf41edcc31.png?resizew=148)
A.10cm | B.15cm | C.20cm | D.24cm |
2022·湖北鄂州·中考真题 查看更多[17]
2022年湖北省鄂州市中考数学真题(已下线)专题12 圆与正多边形-2022年中考数学真题分项汇编(全国通用)(第2期)(已下线)24.2 点和圆、直线和圆的位置关系-2022-2023学年九年级数学上册课后培优分级练(人教版)(已下线)第2章 对称图形-圆(单元测试)-2022-2023学年九年级数学上册同步精品课堂(苏科版)(已下线)2022年湖北省鄂州市中考数学真题变式题6-10题(已下线)第24章 圆(基础、常考、易错、压轴)分类专项训练-2022-2023学年九年级数学考试满分全攻略(人教版)(已下线)第二十四章 圆 单元过关检测02-2022-2023学年九年级数学上册同步考点知识清单+例题讲解+课后练习(人教版)(已下线)第一节 圆的性质及其证明与计算01技法提练2023年山东省滕州市九年级初中学业水平考试模拟(一模)数学试题(已下线)专题07 圆中有关计算-学易金卷:2023年中考数学一模试题分项汇编(山东专用)2023年吉林省松原市乾安县中考一模数学试题(已下线)专题2.26 切线的性质与判定(直通中考)-2023-2024学年九年级数学上册基础知识专项突破讲与练(苏科版)单元复习课江苏省南京大学附属中学2023-2024学年九年级上学期数学期末模拟综合评估试题(已下线)专题24.25 切线的性质与判定(直通中考)-2023-2024学年九年级数学上册基础知识专项突破讲与练(人教版)(已下线)专题12选择压轴题(精选60道)-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(苏科版)2024年山东省临沂市罗庄区九年级中考二模数学试题
更新时间:2022-06-28 09:21:20
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【推荐2】如图,
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