檢視弧度的原始碼

{| class="wikitable" align="right"
|-
| style="background: #FF2400" align= center|  '''<big>弧度</big>'''
|-
|<center><img src=https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fgss0.baidu.com%2F-Po3dSag_xI4khGko9WTAnF6hhy%2Fzhidao%2Fpic%2Fitem%2F728da9773912b31be3ea485e8018367adbb4e1c7.jpg&refer=http%3A%2F%2Fgss0.baidu.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1655796975&t=ddd17c4a9e1cd7b37837f2d10e048240 width="300"></center>
<small>[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E5%BC%A7%E5%BA%A6&step_word=&hs=0&pn=5&spn=0&di=7077213605308923905&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=4149202855%2C1077953868&os=2396196706%2C841239997&simid=4149202855%2C1077953868&adpicid=0&lpn=0&ln=1908&fr=&fmq=1653204990491_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2Fgss0.baidu.com%2F-Po3dSag_xI4khGko9WTAnF6hhy%2Fzhidao%2Fpic%2Fitem%2F728da9773912b31be3ea485e8018367adbb4e1c7.jpg%26refer%3Dhttp%3A%2F%2Fgss0.baidu.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Dauto%3Fsec%3D1655796975%26t%3Dddd17c4a9e1cd7b37837f2d10e048240&fromurl=ippr_z2C%24qAzdH3FAzdH3Fzit1w5_z%26e3Bkwt17_z%26e3Bv54AzdH3Fq7jfpt5gAzdH3F8d9a8nam0d9bnbald8l_z%26e3Bip4s&gsm=6&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined&dyTabStr=MCwzLDIsNiwxLDQsNSw4LDcsOQ%3D%3D 来自 呢图网 的图片]</small>
|-
| style="background: #FF2400" align= center|  '''<big></big>'''

|-

| align= light|

中文名；弧度

外文名；radian

类属；数学名词

缩写；rad
|}

在数学和物理中，'''弧度'''('''英語: radian''' )，是角的度量单位。它是由国际单位制导出的[[单位]]，单位缩写是rad。定义：弧长等于半径的弧，其所对的圆心角为1弧度。(即两条射线从圆心向圆周射出，形成一个夹角和夹角正对的一段弧。当这段弧长正好等于圆的[[半径]]时，两条射线的夹角的弧度为1)。<ref>[https://wenda.so.com/q/1409541388721145 弧度和度怎么换算?],360问答 , 2014年8月31日</ref>