{"id":361,"date":"2018-12-23T00:08:50","date_gmt":"2018-12-22T15:08:50","guid":{"rendered":"http:\/\/pobimath.synology.me\/wordpress\/?p=361"},"modified":"2018-12-23T00:09:11","modified_gmt":"2018-12-22T15:09:11","slug":"1%ea%b6%8c_%eb%aa%85%ec%a0%9c-10-%ec%84%a0%eb%b6%84%ec%9d%84-%ec%9d%b4%eb%93%b1%eb%b6%84%ed%95%98%eb%9d%bc","status":"publish","type":"post","link":"http:\/\/pobimath.synology.me\/wordpress\/archives\/361","title":{"rendered":"1\uad8c_\uba85\uc81c 10 \uc120\ubd84\uc744 \uc774\ub4f1\ubd84\ud558\ub77c"},"content":{"rendered":"<blockquote><p><span style=\"color: #bb0033;\"><b><a href=\"http:\/\/aleph0.clarku.edu\/~djoyce\/java\/elements\/bookI\/propI10.html\">Proposition 10.<\/a><\/b><\/span><\/p>\n<p><span style=\"color: #bb0033;\">To bisect a given finite straight line.<\/span><\/p>\n<p><span style=\"color: #bb0033;\">\uc120\ubd84\uc758 \uc774\ub4f1\ubd84\ud560 \uc218 \uc788\ub2e4.<\/span><\/p><\/blockquote>\n<p>\uc8fc\uc5b4\uc9c4 \uc120\ubd84 $AB$\ub97c \uc774\ub4f1\ubd84\ud574\ubcf4\uc790.<img loading=\"lazy\" class=\"aligncenter size-medium wp-image-362\" src=\"http:\/\/pobimath.synology.me\/wordpress\/wp-content\/uploads\/2018\/12\/Euclid_proposition_10-300x200.png\" alt=\"\" width=\"300\" height=\"200\" srcset=\"http:\/\/pobimath.synology.me\/wordpress\/wp-content\/uploads\/2018\/12\/Euclid_proposition_10-300x200.png 300w, http:\/\/pobimath.synology.me\/wordpress\/wp-content\/uploads\/2018\/12\/Euclid_proposition_10.png 492w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>\uc120\ubd84 $AB$\ub97c \ud55c \ubcc0\uc73c\ub85c \ud558\ub294 \uc815\uc0bc\uac01\ud615\uc744 \uc791\ub3c4\ud558\ub294 \uacfc\uc815\uc744 \ub2e4\uc2dc \uc0b4\ud3b4 \ubcf4\uc790.<\/p>\n<p>\uc810 $A$\uc640 $B$\ub97c \uc911\uc2ec\uc73c\ub85c \uc120\ubd84 $AB$\uac00\u00a0\ubc18\uc9c0\ub984\uc778 \uc6d0\uc744 \uadf8\ub824 \ub9cc\ub098\ub294 \uc810 $C$\uc640 $D$\ub97c \ucc3e\ub294\ub2e4.<\/p>\n<p>$$\\overline{AC}=\\overline{BC},\\overline{AD}=\\overline{BD},\\overline{CD}\\;\\;\uacf5\ud1b5$$<\/p>\n<p>$$\\triangle{ACD}\\equiv\\triangle{BCD}$$<\/p>\n<p>$$\\therefore \\angle{ACD}=\\angle{BCD}$$<\/p>\n<p>\uc120\ubd84 $CD$\uc640 $AB$\uac00 \ub9cc\ub098\ub294 \uc810\uc744 $E$\ub77c \ud558\uba74<\/p>\n<p>$$\\overline{AC}=\\overline{BC},\\overline{CE}\\;\\;\uacf5\ud1b5,\\angle{ACD}=\\angle{BCD}$$<\/p>\n<p>$$\\triangle{ACE}\\equiv\\triangle{BCE}$$<\/p>\n<p>$$\\therefore \\overline{AE}=\\overline{BE}$$<\/p>\n<p style=\"text-align: right;\">$\\blacksquare$<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Proposition 10. To bisect a given finite straight line. \uc120\ubd84\uc758 \uc774\ub4f1\ubd84\ud560 \uc218 \uc788\ub2e4. \uc8fc\uc5b4\uc9c4 \uc120\ubd84 $AB$\ub97c \uc774\ub4f1\ubd84\ud574\ubcf4\uc790. \uc120\ubd84 $AB$\ub97c \ud55c \ubcc0\uc73c\ub85c \ud558\ub294 \uc815\uc0bc\uac01\ud615\uc744 \uc791\ub3c4\ud558\ub294 \uacfc\uc815\uc744 \ub2e4\uc2dc \uc0b4\ud3b4 \ubcf4\uc790. \uc810 $A$\uc640 $B$\ub97c \uc911\uc2ec\uc73c\ub85c \uc120\ubd84 $AB$\uac00\u00a0\ubc18\uc9c0\ub984\uc778 \uc6d0\uc744 \uadf8\ub824 \ub9cc\ub098\ub294 \uc810 $C$\uc640 $D$\ub97c \ucc3e\ub294\ub2e4. $$\\overline{AC}=\\overline{BC},\\overline{AD}=\\overline{BD},\\overline{CD}\\;\\;\uacf5\ud1b5$$ $$\\triangle{ACD}\\equiv\\triangle{BCD}$$ $$\\therefore \\angle{ACD}=\\angle{BCD}$$ \uc120\ubd84 $CD$\uc640 $AB$\uac00 \ub9cc\ub098\ub294 \uc810\uc744 $E$\ub77c \ud558\uba74 $$\\overline{AC}=\\overline{BC},\\overline{CE}\\;\\;\uacf5\ud1b5,\\angle{ACD}=\\angle{BCD}$$ $$\\triangle{ACE}\\equiv\\triangle{BCE}$$ $$\\therefore &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/pobimath.synology.me\/wordpress\/archives\/361\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;1\uad8c_\uba85\uc81c 10 \uc120\ubd84\uc744 \uc774\ub4f1\ubd84\ud558\ub77c&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"http:\/\/pobimath.synology.me\/wordpress\/wp-json\/wp\/v2\/posts\/361"}],"collection":[{"href":"http:\/\/pobimath.synology.me\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/pobimath.synology.me\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/pobimath.synology.me\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/pobimath.synology.me\/wordpress\/wp-json\/wp\/v2\/comments?post=361"}],"version-history":[{"count":2,"href":"http:\/\/pobimath.synology.me\/wordpress\/wp-json\/wp\/v2\/posts\/361\/revisions"}],"predecessor-version":[{"id":364,"href":"http:\/\/pobimath.synology.me\/wordpress\/wp-json\/wp\/v2\/posts\/361\/revisions\/364"}],"wp:attachment":[{"href":"http:\/\/pobimath.synology.me\/wordpress\/wp-json\/wp\/v2\/media?parent=361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/pobimath.synology.me\/wordpress\/wp-json\/wp\/v2\/categories?post=361"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/pobimath.synology.me\/wordpress\/wp-json\/wp\/v2\/tags?post=361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}