π等于多少度？
\u7b49\u4e8e\u591a\u5c11\u5ea6\uff1f22.65
\u25c6\u4ec5\u4ec5\u6839\u636e\u6240\u7ed9\u56fe\u5f62,\u662f\u5f88\u96be\u731c\u51fa\u9898\u76ee\u5185\u5bb9\u7684.\u5efa\u8bae\u4ee5\u540e\u697c\u4e3b\u63d0\u95ee\u65f6,\u8981\u628a\u9898\u76ee\u7684\u5df2\u77e5\u6761\u4ef6\u8bf4\u6e05\u695a,\u8fd9\u6837\u5927\u5bb6\u624d\u53ef\u4ee5\u66f4\u597d\u5730\u5e2e\u52a9\u5230\u4f60.\u5728\u6b64\u6211\u53ea\u80fd\u731c\u4e00\u4e0b\u4e86,\u672a\u5fc5\u4e0e\u9898\u76ee\u539f\u610f\u5b8c\u5168\u76f8\u540c.
\u5df2\u5982,\u5982\u56fe:\u4e24\u5e73\u9762\u955c\u7684\u5939\u89d2\u4e3a60\u5ea6,\u4e00\u675f\u5149\u7ebf\u4e0e\u5e73\u9762\u955cAB\u7684\u5939\u89d2\u4e3aa,\u7ecf\u4e24\u4e2a\u5e73\u9762\u955c\u53cd\u5c04\u540e\uff0c\u5149\u7ebf\u6309\u539f\u8def\u8fd4\u56de\uff0c\u8bd5\u6c42a\u7684\u5ea6\u6570\u3002
\u89e3:\u6839\u636e\u9898\u610f\u53ef\u77e5,\u22201=\u2220a;\u4e14\u2220OFA=\u2220OFC=90\u00b0.
\u2234a=\u22201=90\u5ea6-\u2220OAF=30\u00b0\u3002
绛旓細180搴銆傛淳琛ㄧず寮у害鏃讹紝鏄180搴︺傛淳涓鑸寚鍦嗗懆鐜囷紝鍗婂渾鐨勫姬闀匡紳蟺r锛屽叾涓紝蟺鏄渾鍛ㄧ巼锛宺鏄崐寰勶紝瀵瑰簲鐨勫姬搴︼紳蟺r梅r=蟺锛堝姬搴︼級锛屽崐鍦嗗搴旂殑鍦嗗績瑙掓槸180搴︼紝鎵浠ハ锛堝姬搴︼級锛180搴︺傁琛ㄧず鐨勬槸涓涓搴︼紝瑙掑害鏄竴涓暟瀛﹀悕璇嶏紝琛ㄧず鐨勬槸涓涓鐨勫ぇ灏忕殑閲忥紝鍗曚綅涓哄害锛屼竴鍛ㄨ涓360搴︼紝閫夋嫨360杩欎釜鏁...
绛旓細蟺鏄瓑浜180搴銆傚厐涓嶄粎鏄渾鍛ㄧ巼绾︾瓑浜3.1415926鑰屾槸琛ㄧず寮у害锛2鍏涓360搴︼紝鍏鏄180搴︼紝鍏/2鏄90搴︺傚姬搴︿唬琛ㄥ崐寰勪负涓鐨勫渾涓紝闀垮害涓轰竴鐨勫渾寮ф墍瀵瑰簲鐨勮搴︺傚姬搴﹀埗鐨勫熀鏈濇兂鏄娇鍦嗗崐寰勪笌鍦嗗懆闀挎湁鍚屼竴搴﹂噺鍗曚綅锛岀劧鍚庣敤瀵瑰簲鐨勫姬闀夸笌鍦嗗崐寰勪箣姣旀潵搴﹂噺瑙掑害銆傁鐨勫惈涔 鍦嗗懆鐜囨槸鍦嗙殑鍛ㄩ暱涓庣洿寰勭殑姣斿硷紝涓鑸...
绛旓細鏁板涓殑蟺绛変簬180掳銆傁琛ㄧず鐨勬槸涓涓搴︼紝瑙掑害鏄竴涓暟瀛﹀悕璇 锛岃〃绀虹殑鏄竴涓鐨勫ぇ灏忕殑閲忥紝鍗曚綅涓哄害锛屽懆瑙掍负360搴︼紝閫夋嫨360杩欎釜鏁板瓧涓轰竴涓懆瑙掓槸鍥犱负360杩欎釜鏁板緢瀹规槗琚暣闄わ紝鎵浠ヤ細鏈夊緢澶氱壒娈婄殑鏁存暟瑙掞紝鍦ㄨ绠椾笌瑙掑害鏈夊叧鐨勮绠楅鏃朵細寰堟柟渚裤傝缁嗕粙缁 瑙掑害鍙互鏈変袱绉嶈閲忔柟寮忋傝搴﹀害鏁板埗鍜屽姬搴﹀埗銆
绛旓細蟺绛変簬180搴銆
绛旓細蟺鏄180搴銆傚湪涓涓崟浣嶅渾锛堝崐寰勪负1鐨勫渾锛変腑锛屽崐鍦嗙殑鍛ㄩ暱涓合銆傚渾鍛ㄨ鏈夎繖鏍风殑鍏紡锛氫竴鏉″姬鎵瀵圭殑鍦嗗懆瑙=寮ч暱梅鍗婂緞锛岄偅涔堢敤杩欎釜鍏紡绠楀崐鍦嗘墍瀵圭殑鍦嗗懆瑙掓伆濂界瓑浜幭锛屽洜姝は=180搴︺傚渾鍛ㄧ巼锛圥i锛夋槸鍦嗙殑鍛ㄩ暱涓庣洿寰勭殑姣斿硷紝涓鑸敤甯岃厞瀛楁瘝蟺琛ㄧず锛屾槸涓涓湪鏁板鍙婄墿鐞嗗涓櫘閬嶅瓨鍦ㄧ殑鏁板甯告暟銆傁涔熺瓑浜...
绛旓細蟺(寮у害)鏄180搴銆傚姬鐨勯暱搴﹂櫎浠ュ姬鐨勫崐寰勫緱鍑虹殑姣斿笺 蟺鏄180搴︺傁涔熷氨鏄渾鍛ㄧ巼锛屽睘浜庝竴涓父鏁帮紝涓涓棤闄愪笉寰幆灏忔暟锛屾暣鏁伴儴鍒嗘槸3锛屽皬鏁伴儴鍒嗗墠9浣嶆槸141592654銆傁鏃犳硶鐢ㄥ垎鏁拌〃绀猴紝浣嗘湁璁稿绉嶈繎浼笺傛渶甯歌鐨勬槸鍗佽繘浣嶇殑鏃犻檺涓嶅惊鐜皬鏁帮細3.141592653589銆
绛旓細涓蟺绛変簬180搴銆備袱蟺绛変簬360搴︼紝涔熷氨鏄竴涓渾鍛紝鐢ㄏ鏉ヨ〃绀虹殑瑙掑害鍙仛寮у害锛屽崟浣嶆槸1銆1寮у害灏辩瓑浜180搴﹂櫎浠ハ绾︾瓑浜57.3搴1搴﹀氨绛変簬蟺闄や互180绾︾瓑浜0.01745銆
绛旓細蟺(寮у害)鏄180搴銆傚姬鐨勯暱搴﹂櫎浠ュ姬鐨勫崐寰勫緱鍑虹殑姣斿笺 蟺鏄180搴︺傁涔熷氨鏄渾鍛ㄧ巼锛屽睘浜庝竴涓父鏁帮紝涓涓棤闄愪笉寰幆灏忔暟锛屾暣鏁伴儴鍒嗘槸3锛屽皬鏁伴儴鍒嗗墠9浣嶆槸141592654銆傁鏃犳硶鐢ㄥ垎鏁拌〃绀猴紝浣嗘湁璁稿绉嶈繎浼笺傛渶甯歌鐨勬槸鍗佽繘浣嶇殑鏃犻檺涓嶅惊鐜皬鏁帮細3.141592653589銆備互鍙婄敤鍒嗘暟琛ㄧず鐨22/7銆333/106銆355/113銆52163...
绛旓細娲炬寚鐨勬槸180搴銆180搴︾殑鍗曚綅鏄帮紝鑰屾淳鍦ㄨ繖閲岀殑瀹氫箟鏄崐寰勪负1鐨勶紝瑙掑害涓180掳鐨勫渾寮х殑寮ч暱銆備竴涓姬搴﹀氨鏄窡鍗婂緞鐩哥瓑鐨勫姬闀夸笌鍗婂緞鐨勬瘮鍊硷紝鍗充竴涓姬搴︽墍搴斿鐨勫姬闀胯窡鍗婂緞鏄浉绛夌殑銆180搴︽墍瀵瑰簲鐨勫姬闀夸笌鍗婂緞鐨勬瘮鍊煎嵆涓烘淳寮у害锛屽洜姝ゆ淳鍗充负180搴︺傛淳鐨勭敱鏉 鍦嗗懆鐜囨槸鍦嗙殑鍛ㄩ暱涓庣洿寰勭殑姣斿硷紝涓鑸敤甯岃厞瀛楁瘝...
绛旓細07046掳 8蟺 = 1440掳/蟺 鈮 458.36624掳 9蟺 = 1620掳/蟺 鈮 515.66202掳 鍥犳锛1蟺 2蟺 3蟺 4蟺 5蟺 6蟺 7蟺 8蟺 9蟺鍒嗗埆瀵瑰簲鐨勮搴﹀垎鍒槸锛氱害57.296掳銆佺害114.592掳銆佺害171.887掳銆佺害229.183掳銆佺害286.479掳銆佺害343.775掳銆佺害401.070掳銆佺害458.366掳銆佺害515.662掳銆
