·í¤û¹y»¡¡G¡u¦pªG§Ú¬Ýªº¤ñ§O¤H»·¡A¬O¦]¬°§Ú¯¸¦b¥¨¤HªºªÓ¤W¡C¡vªº®ÉÔ¡A¥L¤ß¥Ø¤¤ªº¥¨¤H¥²©w¦³¤@Ó¬O¦è©Ô´µ¹§¤H¡Xªü°ò¦Ì±o¡A¥j¥N³Ì³Ç¥Xªº¼Æ¾Ç®a¡Bª«²z¾Ç®a ©M¤uµ{®v¡C¤÷¿Ëµá}ªü´µ¬O ¤@¦ì¤Ñ¤å¾Ç®a¡Aªü°ò¦Ì±oªº¤@¥Í¤j³¡¤Àªº®É¶¡¬O¦b§Æþªº ¦è©Ô´µ¹§¡A¨ü±Ð©ó¼Ú´X²z¼w¡C¥L¬O°ê¤ý®ü¤Ì¬¥¤G¥@ªº¿Ë±¡A¬°°ê¤ý³]p³\¦h¥´¥M¥Îªº¾÷±ñ¨Ó©è§Üù°¨¤Hªº¤C²¤¡A¥L¤]¦]¬°ÀË©w¤ý«aªº§tª÷¶q¦Óµo²{¯B¤Oì²z¡Cªü°ò¦Ì±o¬O²Ä¤@¦ìÁ¿¬ì¾Çªº¤uµ{®v¡A¦b¥Lªº¬ã¨s¤¤¡A¨Ï¥Î¼Ú´X²z±oªº¤èªk¡A¥ý°²³]¡A¦A¥HÄYÂÔªºÅÞ¿è±À½×±o¨ìµ²ªG¡A¥L¤£Â_¦a´M¨D¤@¯ë©Êªºì«h¦Ó¥Î©ó¯S®íªº¤uµ{¤W¡C¥Lªº§@«~©l²×¿Ä¦X¼Æ¾Ç©Mª«²z¡A¦]¦¹ªü°ò¦Ì±o¦¨¬°ª«²z¾Ç¤§¤÷¡C
¥LÀ³¥Îºb±ìì²z©ó¾Ôª§¡A«O½Ã¦è©Ô´µ¹§ªº¨ÆÂݬO®a³ë¤á¾åªº¡C¦Ó¥L¤]¥H¦P ¤@ì²z¾É¥X³¡¤À²yÅ骺Åé¿n¡B°jÂàÅ骺Åé¿n¡]¾ò²y¡B°jÂà©ßª«ÄÑ¡B°jÂàÂù¦±±¡^¡A¦¹¥~¡A¥L¤]°Q½×ªü°ò¦Ì±oÁ³½u¡]¨Ò¦p¡G»aÃǥѵ¥³t±ÛÂ઺°Û½L¤¤¤ß¦V¥~¨«¥h©Ò¯d¤Uªºy¸ñ¡^¡A¶ê¡A²yÅé¡B¶ê¬Wªº¬ÛÃöì²z¡A¨ä¦¨´N¡A¦b¥j®ÉµL¤H¯à±æ¨ä¶µI¡C
ªü°ò¦Ì±o±N¼Ú´X²z¼w´£¥XªºÁͪñÆ[©À§@¤F¦³®Äªº¹B¥Î¡A¥L´£¥X¶ê¤º±µ¦hÃä§Î©M¬Û¦ü¶ê¥~¤Á¦hÃä§Î¡A·íÃä¼Æ¨¬°÷¤j®É¡A¨â¦hÃä§Îªº©Pªø«K¤@ӥѤW¡A¤@ӥѤUªºÁͪñ©ó¶ê©Pªø¡C¥L¥ý¥Î¤»Ãä§Î¡A¥H«á³v¦¸¥[¿Ãä¼Æ¡A¨ì¤F¤E¤Q¤»Ãä§Î¡A¨D£kªº¦ôpȤ¶©ó3.14163©M3.14286¤§¶¡¡C¥t¥~¥Lºâ¥X²yªºªí±¿n¬O¨ä¤º±µ³Ì¤j¶ê±¿nªº¥|¿¡C¦Ó¥L³Ì±o·Nªº³Ç§@¬O¾É¥X¶ê¬W¤º¤Á²yÅ骺Åé¿n¬O¶ê¬WÅé¿nªº¤T¤À¤§¤G¿¡C³o©w²z´N¨è¦b¥Lªº¹Ó¸O¤W¡A¤]¦¨¬°¥L¦W««¤d¥jªº¤@¤jµù°O¡C