如图,已知点A、B、C、D均在以BC为直径的圆上,AD∥BC,AC平分∠BCD,∠ADC=120°,四边形ABCD的周长为10,则图中阴影部分的面积为__ .
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2017·山东济南·一模 查看更多[13]
2017届山东省商河中考一模数学试卷2017届甘肃省白银市靖远县五合中学中考模拟数学试卷四广东省东莞市中堂星晨学校2017届中考模拟数学试题2017年广东省东莞市中堂星晨学校中考数学模拟试卷浙教版九年级数学上册 第三章 圆的基本性质 单元检测试卷人教版九年级上册第24章《圆》单元测试22020年甘肃省金昌市九年级中考二模数学试题2020年四川省内江市第六中学九年级下学期三模数学试题(已下线)【万唯原创】2016年河北省中考数学-面对面正文-第一部分第六章2+3(已下线)24.3正多边形和圆(基础练)-2020-2021学年九年级数学上册《十分钟同步课堂专练》(人教版)(已下线)专题3.8 圆周角和圆心角的关系(专项练习)-2021-2022学年九年级数学下册基础知识专项讲练(北师大版)(已下线)考点31 与圆有关的计算-备战2022年中考数学一轮复习考点帮(全国通用)宁夏回族自治区银川市银川外国语实验学校2023-2024学年九年级上学期期末数学试题
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【推荐1】如图,菱形ABCD的边长为3,∠BAD=60°,点E、F在对角线AC上(点E在点F的左侧),且EF=1,则DE+BF最小值为________
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【推荐2】如图,等边
的边长为
点
是
的中点,若动点
以
/秒的速度从点
出发沿
方向运动设运动时间为
秒,连接
,当
是等腰三角形时,则
的值为_______________________ 秒.
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【推荐1】如图,在平面直角坐标系
中,我们把由两条射线
和以
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,
,
,且半圆与y轴的交点D在射线
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【推荐2】如图,在
中,直径
与弦
交于点
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【推荐1】如图,在正方形
中,点E、F分别在边
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