{"id":759,"date":"2025-11-18T13:38:38","date_gmt":"2025-11-18T04:38:38","guid":{"rendered":"http:\/\/saegil-lab.kr\/?p=759"},"modified":"2025-11-20T15:00:30","modified_gmt":"2025-11-20T06:00:30","slug":"%ec%97%90%eb%9d%bc%ed%86%a0%ec%8a%a4%ed%85%8c%eb%84%a4%ec%8a%a4%ec%9d%98-%ec%a7%80%ea%b5%ac-%ed%81%ac%ea%b8%b0-%ec%b8%a1%ec%a0%95","status":"publish","type":"post","link":"https:\/\/saegil-lab.kr\/?p=759","title":{"rendered":"\uc5d0\ub77c\ud1a0\uc2a4\ud14c\ub124\uc2a4\uc758 \uc9c0\uad6c \ud06c\uae30 \uce21\uc815"},"content":{"rendered":"\n

<\/p>\n\n\n\n

\uc5d0\ub77c\ud1a0\uc2a4\ud14c\ub124\uc2a4\uac00 \uce21\uc815\ud55c \uc9c0\uad6c \ud06c\uae30\ub97c \uc54c\uc544\ubcf4\uae30 \uc804\uc5d0 \uba3c\uc800 \uac04\ub2e8\ud55c \uae30\ud558\ud559\uc744 \uc54c\uc544\ubd05\ub2c8\ub2e4.<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

\uc704\uc758 \uadf8\ub9bc\uc740 \ud3c9\ud589\uc120 \"l_1\", \"l_2\"\uc5d0 \ud55c \uc120\uc744 \uadf8\ub838\uc744 \ub54c \ub098\uc624\ub294 \uac01 \"\angle \rm{A}\", \"\angle \rm{B}\", \"\angle \rm{C}\"\ub97c \ubcf4\uba74 \"\angle \rm{A}\" \uc640 \"\angle \rm{B}\"\uc758 \ud06c\uae30\ub294 \ub9de\uaf2d\uc9c0\uac01\uc73c\ub85c \uac19\uace0, \"\angle \rm{B}\"\uc640 \"\angle \rm{C}\"\uc758 \ud06c\uae30\ub294 \ub3d9\uc704\uac01\uc73c\ub85c \uac19\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \"\angle \rm{A}\"\uc640 \"\angle \rm{C}\"\ud06c\uae30\ub294 \uac19\uace0 \"\angle \rm{A}\"\uc640 \"\angle \rm{C}\"\uc0ac\uc774\uc758 \uad00\uacc4\ub97c \uc5c7\uac01\uc774\ub77c\uace0 \ud55c\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \angle \rm{A} = \angle \rm{B}\]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \angle \rm{B} = \angle \rm{C}\]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \therefore \angle \rm{A} = \angle \rm{C}\]\"<\/p><\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

\uc5d0\ub77c\ud1a0\uc2a4\ud14c\ub124\uc2a4(\uae30\uc6d0\uc804 275\ub144 ~ \uae30\uc6d0\uc804 194\ub144)\ub294 \uace0\ub300 \uadf8\ub9ac\uc2a4\uc758 \uc218\ud559\uc790\uc774\uc790 \ucc9c\ubb38\ud559\uc790\uc785\ub2c8\ub2e4. \uadf8\ub294 \ud504\ud1a8\ub808\ub9c8\uc774\uc624\uc2a4 \uc655\uc870\uac00 \uc138\uc6b4 \ubb34\uc138\uc774\uc628(Mouseion)\uacfc \uadf8 \ubd80\uc18d \uae30\uad00\uc778 \ub3c4\uc11c\uad00(\uc77c\uba85 \ub300\ub3c4\uc11c\uad00)\uc758 \uad00\uc7a5\uc774\uae30\ub3c4 \ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5d0\ub77c\ud1a0\uc2a4\ud14c\ub124\uc2a4\uac00 \uc0b4\ub358 \uc2dc\ub300 \uadf8\ub9ac\uc2a4\uc778\ub4e4\uc740 \uc9c0\uc5ed\uc5d0 \ub530\ub77c \ubd81\uadf9\uc131\uc758 \ub192\uc774\uac00 \ub2e4\ub978 \uc0ac\uc2e4, \uc6d4\uc2dd\uc774 \uc77c\uc5b4\ub0a0 \ub54c \uc9c0\uad6c\uc758 \uadf8\ub9bc\uc790\uac00 \ub465\uadfc \uac83 \ub4f1\uc744 \uadfc\uac70\ub85c \uc9c0\uad6c\uac00 \uacf5\ucc98\ub7fc \ub465\uae00\ub2e4\ub294 \uac83\uc744 \uc54c\uace0 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \uc5d0\ub77c\ud1a0\uc2a4\ud14c\ub124\uc2a4\ub294 \uadf8\ub9ac\uc2a4\uc758 \uc2dc\uc5d0\ub124(\ud604\uc7ac\uc758 \uc544\uc2a4\uc644- \uc774 \uc9c0\uc810\uc740 \ubd81\uc704 23\ub3c4 26\ubd84 22\ucd08\ub85c \ubd81\ud68c\uadc0\uc120\uc5d0 \uc704\uce58\ud574 \uc788\ub2e4.)\uc5d0\uc11c \ud558\uc9d3\ub0a0\uc5d0 \ud0dc\uc591 \ube5b\uc774 \uc6b0\ubb3c\uc758 \ubc14\ub2e5\uae4c\uc9c0 \ub2ff\uc73c\uba70 \uc6b0\ubb3c\uc758 \uadf8\ub9bc\uc790\uac00 \uc0ac\ub77c\uc9c4\ub2e4\ub294 \uac83\uc744 \uc804\ud574 \ub4e3\uace0, \uc989 \ud574\uac00 \uac00\uc7a5 \ub192\uc774 \ub5b4\uc744 \ub54c\uc758 \uace0\ub3c4\uac00 \"90^\circ\"\uac00 \ub41c\ub2e4\ub294 \uac83\uc744 \uc54c\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc54c\ub809\uc0b0\ub4dc\ub9ac\uc544\uc5d0\uc11c \ud558\uc9d3\ub0a0 \uc815\uc624\uc758 \ud0dc\uc591\uc758 \uace0\ub3c4\ub294 \"82.8^\circ\"\ub85c \uc2dc\uc5d0\ub124\uc640 \uc704\ub3c4\ucc28\uac00 \uc57d \"7.2^\circ\"\ucc28\uc774\uac00 \ub098\ub294 \uac83\uc744 \uc54c\uac8c \ub418\uace0 \uc9c0\uad6c\uc758 \ud06c\uae30\ub97c \uce21\uc815\ud558\uae30\ub85c \ud588\uc2b5\ub2c8\ub2e4. \uc774\ub7f0 \ucc28\uc774\ub294 \uc2dc\uc5d0\ub124\uc640 \uc54c\ub809\uc0b0\ub4dc\ub9ac\uc544\uc758 \uc704\ub3c4 \ucc28\uc5d0 \ub530\ub978 \uac83\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \uac00\uc815\uc744 \ud558\uace0 \uc9c0\uad6c\uc758 \ud06c\uae30\ub97c \uce21\uc815\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

    \n
  1. \uc54c\ub809\uc0b0\ub4dc\ub9ac\uc544\uc640 \uc2dc\uc5d0\ub124 \uc0ac\uc774\uc758 \uac70\ub9ac\ub294 5 000 \uc2a4\ud0c0\ub514\uc544(\ubbf8\ud130\ubc95\uc73c\ub85c 925km)<\/li>\n\n\n\n
  2. \uc54c\ub809\uc0b0\ub4dc\ub9ac\uc544\ub294 \uc2dc\uc5d0\ub124\uc758 \uc815\ubd81\ucabd\uc5d0 \uc788\ub2e4.(\uc989, \uac19\uc740 \uacbd\ub3c4\uc5d0 \uc788\ub2e4.)<\/li>\n\n\n\n
  3. \uc2dc\uc5d0\ub124\ub294 \ubd81\ud68c\uadc0\uc120\uc5d0 \uc788\ub2e4. (\uc2dc\uc5d0\ub124\uc758 \ud558\uc9d3\ub0a0 \uc815\uc624\uc5d0 \ud587\ube5b\uc774 \uc9c0\uba74\uc5d0 \uc218\uc9c1\uc73c\ub85c \ube44\ucd98\ub2e4.)<\/li>\n\n\n\n
  4. \uc9c0\uad6c\ub294 \uc644\uc804\ud55c \uad6c\ud615\uc774\ub2e4.<\/li>\n\n\n\n
  5. \uc9c0\uad6c\ub85c \ub4e4\uc5b4\uc624\ub294 \ud0dc\uc591 \uad11\uc120\uc740 \ud3c9\ud589\ud558\ub2e4.<\/li>\n<\/ol>\n\n\n
    \n
    \"\"<\/figure>\n<\/div>\n\n\n

    \uadf8\ub9bc\uacfc \uac19\uc774 \ud587\ube5b\uc774 \ud3c9\ud589\ud558\uac8c \ub4e4\uc5b4\uc624\uba74 \uc9c0\uad6c\uc0c1\uc5d0\uc11c \uce21\uc815\ud55c \"7.2^\circ\"\uc758 \ud06c\uae30\ub294 \ud638\uc758 \uae38\uc774\uac00 925 km\uc5d0 \ud574\ub2f9\ud558\ub294 \uc911\uc2ec\uac01\uc758 \ud06c\uae30\uac00 \"7.2^\circ\"\uac00 \ub418\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc73c\ubbc0\ub85c \uc9c0\uad6c\uc758 \ubc18\uc9c0\ub984\uc744 \"R\"\uc774\ub77c\uace0 \ud588\uc744 \ub54c \ub2e4\uc74c\uacfc \uac19\uc740 \ube44\ub840\uc2dd\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      <\/span>   <\/span>\"\[ 7.2^\circ : 925\ {\rm km} = 360^\circ : 2\pi R \]\"<\/p><\/p>\n\n\n\n

      <\/span>   <\/span>\"\[ R= \frac{1}{2\pi} \times \frac{360^\circ}{7.2^\circ} \times 925\ {\rm km} \approx 7\ 360\ {\rm km} \]\"<\/p><\/p>\n\n\n\n

    \uc774 \uac12\uc740 \ud604\uc7ac \uc54c\uace0 \uc788\ub294 \uc9c0\uad6c \ud3c9\uade0\ubc18\uc9c0\ub984 \uc57d \"6\ 400\ \rm km\"\uc640 \ube44\uad50\ud558\uba74 \uc57d 15%\uc815\ub3c4\uc758 \uc624\ucc28\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

      <\/span>   <\/span>\"\[ {\rm error} = \frac{7\ 360\ {\rm km} - 6\ 400\ {\rm km}}{6\ 400\ {\rm km}} \times 100 = 15\%\]\"<\/p><\/p>\n\n\n\n

    \uc5d0\ub77c\ud1a0\uc2a4\ud14c\ub124\uc2a4\uc758 \uc9c0\uad6c \ud06c\uae30 \uce21\uc815\uc774 \uc815\ud655\ud558\uc9c0 \uc54a\uc740 \uc774\uc720\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud574\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      \n
    1. \uc9c0\uad6c\ub294 \uc644\uc804\ud55c \uad6c\ud615\uc774 \uc544\ub2c8\ub77c \uc801\ub3c4\ucabd\uc774 \uc870\uae08 \ub354 \ubd80\ud47c \ud0c0\uc6d0\uccb4\uc774\ub2e4.<\/li>\n\n\n\n
    2. \uc54c\ub809\uc0b0\ub4dc\ub9ac\uc544\uc640 \uc2dc\uc5d0\ub124\ub294 \ub3d9\uc77c \uacbd\ub3c4\uc704\uc5d0 \uc788\uc9c0 \uc54a\ub2e4.<\/li>\n\n\n\n
    3. \ub450 \uc9c0\uc810 \uc0ac\uc774\uc758 \uac70\ub9ac\ub97c \uad6c\ud55c \uac12\uc5d0 \uc624\ucc28\uac00 \uc788\ub2e4.<\/li>\n<\/ol>\n\n\n\n

      \ud558\uc9c0\ub9cc \ud070 \uc624\ucc28\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uae30\uc6d0\uc804\uc5d0 \uc9c0\uad6c\uc758 \ud06c\uae30\ub97c \uce21\uc815\ud588\ub2e4\ub294 \uac83\uc740 \ud070 \uc5c5\uc801\uc774\ub77c\uace0 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uae30\uc6d0\ud6c4\uc5d0\ub294 \uc774\ub7f0 \uacfc\ud559\uc801 \uc9c0\uc2dd\uc774 \ubaa8\ub450 \uc0ac\ub77c\uc84c\ub2e4\ub294 \uac83\uc740 \uc778\ub958\uc5ed\uc0ac\uc5d0\uc11c \ubd24\uc744 \ub54c \ud070 \uc190\ud574\ub77c\uace0 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

      \uc5d0\ub77c\ud1a0\uc2a4\ud14c\ub124\uc2a4\uac00 \uce21\uc815\ud55c \uc9c0\uad6c \ud06c\uae30\ub97c \uc54c\uc544\ubcf4\uae30 \uc804\uc5d0 \uba3c\uc800 \uac04\ub2e8\ud55c \uae30\ud558\ud559\uc744 \uc54c\uc544\ubd05\ub2c8\ub2e4. \uc704\uc758 \uadf8\ub9bc\uc740 \ud3c9\ud589\uc120 , \uc5d0 \ud55c \uc120\uc744 \uadf8\ub838\uc744 \ub54c \ub098\uc624\ub294 \uac01 , , \ub97c \ubcf4\uba74 \uc640 \uc758 \ud06c\uae30\ub294 \ub9de\uaf2d\uc9c0\uac01\uc73c\ub85c \uac19\uace0, \uc640 \uc758 \ud06c\uae30\ub294 \ub3d9\uc704\uac01\uc73c\ub85c \uac19\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc640 \ud06c\uae30\ub294 \uac19\uace0 \uc640 … \uacc4\uc18d \uc77d\uae30 →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[55,56],"class_list":["post-759","post","type-post","status-publish","format-standard","hentry","category-37","tag-55","tag-56"],"_links":{"self":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/759","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=759"}],"version-history":[{"count":18,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/759\/revisions"}],"predecessor-version":[{"id":890,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/759\/revisions\/890"}],"wp:attachment":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}