有一个著名的希波克拉蒂月牙问题,如图:以AB为直径作半圆,点C从点A出发,沿着圆弧向点B方向运动(与点A、B不重合),连接AC、BC,以AC、BC为直径分别向外作半圆,将围成两个月牙形(阴影部分),面积分别为
和
,在点C的运动过程中,
与
之和的变化情况是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/15/8f48a527-8d7e-4b91-8194-7a05ccc363d2.png?resizew=195)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/15/8f48a527-8d7e-4b91-8194-7a05ccc363d2.png?resizew=195)
A.一直增大 | B.一直减少 | C.一直不变 | D.先增大后减小 |
20-21八年级上·浙江温州·期中 查看更多[5]
浙江省温州市洞头区2020-2021学年八年级上学期期中数学试题(已下线)第1章 勾股定理(单元测试·拔尖卷)-2023-2024学年八年级数学上册基础知识专项突破讲与练(北师大版)广东省佛山市南海区南海实验学校映月校区2023-2024学年八年级上学期第一次月考数学试题(已下线)第3章 勾股定理(单元测试·拔尖卷)-2023-2024学年八年级数学上册基础知识专项突破讲与练(苏科版)江西省九江市同文中学2023-2024学年八年级上学期数学试题
更新时间:2022-08-14 12:14:23
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