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如图，A、B、C分别是小正方形的三个顶点，且每个小正方形的边长均为1，则sin∠BAC的值为（ ）
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正方形网格中每个小正方形的边长都是1每个小正方形的顶点叫做格点以格点为顶点.1在图①中画一个面积为1
如图由四个边长为1的小正方形构成一个大正方形连结小正方形的三个顶点可得到△ABC则△ABC中BC边上
如图在5×5的正方形方格中△ABC的顶点都在边长为1的小正方形的顶点上作一个与△ABC相似的△DEF
如图7由4个小正方形组成的田字格中△ABC的顶点都是小正方形的顶点在田字格上画与△ABC成轴对称的三
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在正方形网格中每个小正方形的边长都是1每个小正方形的顶点叫做格点以格点为顶点.1在图①中画一个面积为
如图由4个小正方形组成的田字格中△ABC的顶点都是小正方形的顶点在田字格上画与△ABC成轴对称的三角
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如图正方形网格中的每个小正方形的边长都是1每个小正方形的顶点叫做格点.△ABC的三个顶点A.B.C.
如图正方形网格中的每个小正方形的边长都是1每个小正方形的顶点叫做格点.△ABC的三个顶点A.B.C.
如图正方形网格中的每个小正方形的边长都是1每个小格的顶点叫做格点.1在图1中以格点为顶点画一个面积为
如图由四个小正方形组成的田字格中△ABC的顶点都是小正方形的顶点.在田字格上画与△ABC成轴对称的三
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在每个小正方形的边长为1的网格图形中每个小正方形的顶点称为格点.以顶点都是格点的正方形ABCD的边为
如图由四个边长为1的小正方形构成一个大正方形连接小正方形的三个顶点可得到△ABC则△ABC中BC边上
如图每个小正方形的边长为1A.B.C.是小正方形的顶点则cos∠ABC为.
如图在4×4的正方形网格中每个小正方形的顶点称为格点左上角阴影部分是一个以格点为顶点的正方形简称格点
.图1图2是两张形状大小完全相同的方格纸方格纸中的每个小正方形的边长均为1每个小正方形的顶点叫做格点
如图所示在4×4的正方形网格中的每个小正方形边长都是1画出两个边长为无理数的两个正方形且使它的每个顶
如图正方形网格中的每个小正方形的边长都是1每个小格的顶点叫做格点.1在图1中以格点为顶点画一个面积为
如图每个图形都是由三个小正方形组成的请你分别在每个图形上补画一个小正方形使补画后的每个图形是轴对称图
如图小正方形的边长为1△ABC的三个顶点都在小正方形的顶点处判断△ABC的形状并求出△ABC的面积
如图由四个小正方形组成的田字格中△ABC的顶点都是小正方形的顶点在田字格上画与△ABC成轴对称的三角
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