如图,在锐角三角形
中,分别以三边
为直径作圆,记三角形外的阴影面积为
,三角形内的阴影面积为
,在以下四个选项的条件中,不一定能求出
的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/982f27cc-4fae-4cf9-91a5-d23d158571ee.png?resizew=149)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a6936a0a7379a7dd2331182696712a.png)
![](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/a38c43d922840f5f7693007beeb62b34.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/982f27cc-4fae-4cf9-91a5-d23d158571ee.png?resizew=149)
A.已知![]() |
B.已知![]() |
C.已知![]() ![]() |
D.已知![]() ![]() |
22-23九年级上·江苏扬州·期中 查看更多[4]
江苏省扬州市邗江区2022-2023学年九年级上学期期中数学试题(已下线)第19讲 弧长及扇形的面积-【帮课堂】2022-2023学年九年级数学下册同步精品讲义(北师大版)(已下线)专题3.9 弧长及扇形的面积(能力提升)-2022-2023学年九年级数学下册《同步考点解读·专题训练》(北师大版)(已下线)专题05 正多边形与圆、弧长及扇形的面积、圆锥的侧面积(经典基础题4种题型+优选提升题)
更新时间:2022-12-03 18:12:32
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