如图,在等腰
中,
,
.
的平分线与
的中垂线交于点O,点C沿
折叠后与点O重合,则
的度数是 _____ (用含
的代数式表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
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22-23八年级上·浙江·阶段练习 查看更多[4]
浙江省杭州市临平区2022-2023学年八年级上学期12月月考数学试题(已下线)浙江省杭州市临平区临平区临平第五中学2022-2023学年八年级上学期第三次月考数学试题浙江省杭州市萧山区等5地2022-2023学年八年级上学期12月月考数学试题浙江省杭州市临平区第五中学等2校2022-2023学年八年级上学期12月月考数学试题
更新时间:2023-01-16 19:59:03
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【推荐1】如图所示,∠ACD是△ABC的外角,∠A=40°,BE平分∠ABC,CE平分∠ACD,且BE、CE交于点E.则∠E=_____ 度.
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【推荐2】如图,在
中,
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,点E在
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【推荐1】如图,在⊙O中弦AB垂直平分半径OC,垂足为D,若⊙O的半径为4,则弦AB的长为_____ .
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【推荐2】如图,在
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【推荐1】在矩形
中,点
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落在点
处,点
为线段
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作
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【推荐2】在平面直角坐标系
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(1)点
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(1)点
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(2)则直线
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