图 1、图 2 均是 6×6 的正方形网格,每个小正方形的顶点称为格点,小正方形的边长为 1,点 A、B、C、D 均在格点上.在图 1、图 2 中,只用无刻度的直尺,在给定的网格中按要求画图,所画图形的顶点均在格点上,不要求写出画法.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/16/4e3e9d28-20b1-4043-8b76-85394b8a6358.png?resizew=249)
(1)在图 1 中以线段 AB 为边画一个△ABM,使∠ABM=45°,且△ABM 的面积为 6;
(2)在图 2 中以线段 CD 为边画一个四边形 CDEF,使∠CDE=∠CFE=90°,且四边形 CDEF 的面积为 8.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/16/4e3e9d28-20b1-4043-8b76-85394b8a6358.png?resizew=249)
(1)在图 1 中以线段 AB 为边画一个△ABM,使∠ABM=45°,且△ABM 的面积为 6;
(2)在图 2 中以线段 CD 为边画一个四边形 CDEF,使∠CDE=∠CFE=90°,且四边形 CDEF 的面积为 8.
2020·黑龙江哈尔滨·一模 查看更多[4]
黑龙江省哈尔滨市南岗2019-2020学年九年级调研测试数学试题黑龙江省哈尔滨市道里区2019-2020学年九年级下学期线上调研数学试题2020年黑龙江省哈尔滨市南岗区中考数学零模试题(已下线)【南昌新东方】 2020年9月心远升初二开学考 27
更新时间:2020-04-02 14:57:22
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【知识点】 半圆(直径)所对的圆周角是直角解读
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解答题-证明题
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适中
(0.65)
【推荐1】如图,四边形
中,
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经过点
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(1)证明:
;
(2)若
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(1)证明:
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(2)若
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解答题-证明题
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适中
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【推荐2】如图,
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