檢視余角的原始碼

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<small>[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E4%BD%99%E8%A7%92&step_word=&hs=0&pn=2&spn=0&di=7108135681917976577&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=4279709507%2C2476175938&os=2374941291%2C2644686224&simid=4188759986%2C599607700&adpicid=0&lpn=0&ln=1647&fr=&fmq=1655276818327_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%2Ftxt39-1.book118.com%2F2018%2F0523%2Fbook168224%2F168223027.jpg%26refer%3Dhttp%3A%2F%2Ftxt39-1.book118.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Dauto%3Fsec%3D1657868817%26t%3Dcc1afa6f91d64824678b98126349ff50&fromurl=ippr_z2C%24qAzdH3FAzdH3F4_z%26e3Bk55h88b_z%26e3Bv54AzdH3Fip4sAzdH3Fda8bAzdH3FacdnAzdH3F8mbddnad0_z%26e3Bfip4&gsm=3&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined&dyTabStr=MCwzLDIsNCw2LDEsNSw3LDgsOQ%3D%3D 来自 呢图网 的图片]</small>
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中文名；余角

外文名；complementary angle

词    性；数学名词

概    念；两角和90°
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'''余角'''，数学名词。如果两个角的和是直角，那么称这两个角“互为余角”（complementary angle），简称“互余”，也可以说其中一个角是另一个角的余角。<ref>[https://wenda.so.com/q/1366784545069315?src=180&q=%E4%BD%99%E8%A7%92 余角是什么意思?],360问答 , 2013年04月23日</ref>