2020年温州市实验中学数学文化节征稿文化节
,小明利用古希腊医学家希波克拉底所画图形进行设计.如图
内接于一个半径为5的半圆,
,分别以
,
,
为直径向外作半圆.若阴影部分图形面积之和是空白部分图形面积之和的3倍,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5677338c70249f0c56e539ec5cf29fb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/e98f7cd9-262d-40df-9310-52f4c56e27d2.png?resizew=175)
A.![]() | B.![]() | C.![]() | D.![]() |
20-21九年级上·浙江温州·期中 查看更多[3]
浙江省温州市实验中学六中2020-2021学年九年级上学期期中数学试题(已下线)专题1.3 探索勾股定理(分层练习)(提升篇)-2023-2024学年八年级数学上册基础知识专项突破讲与练(北师大版)(已下线)专题3.3 勾股定理(分层练习)(提升篇)-2023-2024学年八年级数学上册基础知识专项突破讲与练(苏科版)
更新时间:2020-12-16 22:02:35
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【推荐2】如果
与
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A.5和4 | B.6和![]() | C.6和![]() | D.5和![]() |
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【推荐1】梯形ABCD中AB∥CD,∠ADC+∠BCD=90°,以AD、AB、BC为斜边向形外作等腰直角三角形,其面积分别是
,且
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76a546c3061dc876aa2203f59afa05ab.png)
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A.2.5AB | B.3AB | C.3.5AB | D.4AB |
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【推荐2】如图,在
中,
,
于点
,
平分
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于点
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是
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、与
相交于点
,下列结论:
①
是等腰三角形;②
;③
是
的垂直平分线;④
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①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐1】如图两个半径都是
的圆外切于点C,一只蚂蚁由点A开始依A、B、C、D、E、F、C、G、A的顺序沿着圆周上的8段长度相等的路径绕行,蚂蚁在这8段路径上不断爬行,直到行走
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095ab4a92bf822e175d370e6d0c8a730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f38f2f5fe3d95fb5c7be90de10aebbca.png)
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【推荐2】如图,两个半径都为1的圆形纸片,固定⊙O1,使⊙O2沿着其边缘滚动回到原来位置后运动终止,则⊙O2上的点P运动的路径长为( )
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