如图,在正方形ABCD的外侧,作等边三角形ADE,AC,BE相交于点F,则∠BFC为__________ °.
16-17八年级下·山东威海·阶段练习 查看更多[30]
山东威海市14中学2016-2017学年八年级(下)4月月考数学试卷【全国市级联考】湖北省武汉市 2018届九年级中考模拟数学试题河北省南宫市奋飞中学2017-2018学年八年级下学期期末模拟数学试题【全国百强校】海南省海南中学2018届九年级中招模拟考试(三)数学试题【区级联考】陕西省西安市莲湖区2019届九年级上学期期中考试数学试题四川省大英县象山镇中学2019届九年级第二学期数学综合测试题(已下线)2019年6月17日 《每日一题》 正方形(1)(下学期期末复习)黑龙江省哈尔滨市四十九中2019-2020第一学期九年级阶段(开学)考试数学试卷福建省三明市大田县2018-2019学年九年级上学期期中数学试题2020年海南省乐东县中考数学一模试题北京第一七一中学2020-2021学年九年级上学期八月月考数学试题山东省菏泽市郓城县南赵楼中学2020-2021学年九年级下学期第一次月考数学试题河南省漯河市郾城区2020-2021学年八年级下学期期中数学试题黑龙江省哈尔滨市道里区2020-2021学年八年级下学期期末数学试题江苏省苏州市高新区新区一中2020-2021学年八年级下学期3月月考数学试卷黑龙江省哈尔滨市五常市2020-2021学年八年级下学期期末考试数学试题山东省济宁市汶上县2021-2022学年八年级下学期期末数学试题黑龙江省哈尔滨市平房区2020-2021学年八年级下学期期末数学试题山东省泰安市东平县2021-2022学年八年级下学期期末数学试题 黑龙江省哈尔滨市南岗区萧红中学2022-2023学年九年级上学期开学数学试卷 福建省三明市永安市2022~2023学年九年级上学期期中考试卷江苏省宿迁市宿城区崇文初级中学2022-2023学年八年级下学期3月月考数学试题四川省广安市武胜县武胜县八一初级中学2022-2023学年八年级下学期期末数学试题湖南省长沙市北雅中学2023-2024学年九年级上学期开学考试数学试题福建省龙岩市第五中学2020-2021学年八年级上学期第二次月考数学试题黑龙江省哈尔滨市南岗区萧红中学2022-2023学年 九年级上学期月考数学试题湖南省长沙市岳麓区湖南师范大学附属滨江学校2023-2024学年八年级下学期第一次月考数学试题2024年甘肃省天水市甘谷县甘谷县永丰中学联片教研中考三模数学试题甘肃省武威市民勤县双茨科乡中学2023-2024学年八年级下学期期中数学试题重庆市彭水县思源实验学校2023-2024学年八年级下学期期中考试数学试题
更新时间:2016-12-06 13:53:46
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【推荐2】在九年级《数学实验手册》中,我们探究了最小覆盖圆与图形之间的关系.现有如图所示的等边三角形
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解题方法
【推荐1】边长为
的正方形
的顶点
,
在
轴的正半轴上,
点坐标为
,点
从
点出发,沿着
运动.
(1)当
运动到边
上时,
,如图1,此时点
经过的路径长是______ .
(2)当
运动到边
上时,
,如图2,此时点
经过的路径长是______ .
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(1)当
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(2)当
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【推荐2】如图,四边形
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