在平面坐标系中,正方形
的位置如图所示,点A的坐标为
,点
的坐标为
,延长
交
轴于点
,作正方形
,延长
交
轴于点
,作正方形
,…按这样的规律进行下去,第2023个正方形的面积为__________ .
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23-24九年级上·河北保定·期中 查看更多[2]
河北省保定市冀英初级中学2023-2024学年九年级上学期期中数学试题(已下线)猜题06 图形的相似(拔尖必刷30题8种题型专项训练)-2023-2024学年九年级数学上学期期末考点大串讲(苏科版)
更新时间:2023-11-15 21:54:59
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【推荐1】如图,在正方形ABCD中,AB=3,点E,F分别在CD,AD上,CE=DF,BE,CF相交于点G,连接DG.点E从点C运动到点D的过程中,DG的最小值为_____ .
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【推荐2】如图,有若干个边长为2的正方形,若正方形的一个顶点是正方形Ⅰ的中心O1,如图所示,类似的正方形Ⅲ的一个顶点是正方形Ⅱ的中心O2,并且正方形Ⅰ与正方形Ⅲ不重叠,如果若干个正方形都按这种方法拼接,需要m个正方形能使拼接处的图形的阴影部分的面积等于一个正方形的面积.现有一拋物线y=mx2+nx+3,其顶点在x轴上,则该抛物线的对称轴为_____ .
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【推荐1】如图,将矩形
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【推荐2】如图,有一个池塘,要测量池塘两端
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