天气预报15天查询> 其他> 怎样把圆等分36份

怎样把圆等分36份

更新时间: 2020-10-05 00:00:00     

1、先画一个圆O,再画一条半径OA1。用量角器量出10度角,在圆上又产生一点设为A2,然后一直划下去,在圆上又产生A3至A36,则A1至A36将圆O36等分;

2、用量角器将圆平均分为36份,每份10度,然后用直尺连接起来。

关键词: 怎样 等分

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2425442/ | 耗时:0.4081 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2425442 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2425442 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2425442 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1283899,1870880,2841814,2296097,1056806,754757,2937114,2396357,2311973,2057485,2111140,610228,3107301,2275942,2126063,1856851,1502314,3090302,2860652,2633660,1052433,2138858,462806,1049212,270088,2746901,1070578,2763019,3319429,2229830) ORDER BY field (ArticleID,1283899,1870880,2841814,2296097,1056806,754757,2937114,2396357,2311973,2057485,2111140,610228,3107301,2275942,2126063,1856851,1502314,3090302,2860652,2633660,1052433,2138858,462806,1049212,270088,2746901,1070578,2763019,3319429,2229830)