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[img]2022m10s/ct_ve01203002j_egreqjs_0194_221011[/img]In the xy-plane shown, th
[img]2022m10s/ct_ve01203002j_egreqjs_0194_221011[/img]In the xy-plane shown, th
游客
2025-02-23
39
管理
问题
In the xy-plane shown, the circle is centered at the origin. Line
选项
A、6
B、20/3
C、22/3
D、8
E、25/3
答案
E
解析
用相似三角形,根据角相等的关系推知图中两个三角形相似,三边比例均为3:4:5,所以直线m和轴截距的大小即为斜边长度,为5×5/3=25/3。故答案为E。
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