天气预报 > 教育 > 扇形的面积计算公式
扇形的面积计算公式
更新时间: 2021-11-24 11:41:35  

扇形面积公式是S等于nπR平方除以360或S等于LR除以2,其中π是圆周率,R是底圆的半径,n是圆心角的度数,L为弧长。n度扇形所对应的弧长为:L等于n2πR除以360。

关键词: 扇形 面积 计算 公式

扇形的面积计算公式相关经验

天气预报

最新推荐

页面:/news/view-100771/ | 耗时:0.4681 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=100771 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=100771 LIMIT 0,1
select * from tbl_Articles_sphinx where id=100771 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(101050,100648,1091922,2793538,86751,2964226,3303702,1114916,100495,641802,368911,1114376,359340,1490605,924009,1114510,1096549,86926,628227,988279,100539,1449256,3108368,1114198,2079076,3067500,86831,1114310,2856648,984429) ORDER BY field (ArticleID,101050,100648,1091922,2793538,86751,2964226,3303702,1114916,100495,641802,368911,1114376,359340,1490605,924009,1114510,1096549,86926,628227,988279,100539,1449256,3108368,1114198,2079076,3067500,86831,1114310,2856648,984429)