<SPAN style="TEXT-ALIGN: justify; LINE-HEIGHT: 21px; FONT-FAMILY: '¹ÙÅÁ'; LETTER-SPACING: 0px; COLOR: #000000; FONT-SIZE: 10pt"> <DIV class=board> <P>ÀÌÇö³à ¼±»ý´ÔÀÇ ´ä±ÛÀÔ´Ï´Ù.</P> <P> </P> <P> <SPAN style="TEXT-ALIGN: justify; LINE-HEIGHT: 21px; FONT-FAMILY: '¹ÙÅÁ'; LETTER-SPACING: 0px; COLOR: #000000; FONT-SIZE: 10pt">ÁÂÇ¥Æò¸é À§¿¡ ¼¼ Á¡ </SPAN> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=196 align=absMiddle height=21><PARAM NAME="_cx" VALUE="5185"><PARAM NAME="_cy" VALUE="555"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/45.9`4.8/12,[1]{A(3, `sqrt{7}), B(-2, 0), C(4, 0)}/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT>¸¦<SPAN style="TEXT-ALIGN: justify; LINE-HEIGHT: 21px; FONT-FAMILY: '¹ÙÅÁ'; LETTER-SPACING: 0px; COLOR: #000000; FONT-SIZE: 10pt"> ²ÀÁöÁ¡À¸·Î ÇÏ´Â »ï°¢Çü ABC °¡ ÀÖ´Ù. <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=43 align=absMiddle height=18><PARAM NAME="_cx" VALUE="1137"><PARAM NAME="_cy" VALUE="476"><PARAM NAME="BackColor" VALUE="3932222"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/9.8`4.3/12,[1]{triangle`ABC}/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT>ÀÇ <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=23 align=absMiddle height=18><PARAM NAME="_cx" VALUE="608"><PARAM NAME="_cy" VALUE="476"><PARAM NAME="BackColor" VALUE="3932222"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/5.3`4.3/12,[1]{angle`A}/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT>ÀÇ À̵îºÐ¼±ÀÌ º¯ BC ¿Í ¸¸³ª´Â Á¡À» D ¶ó°í ÇÒ ¶§, Á¡ DÀÇ ÁÂÇ¥¸¦ ±¸ÇÏ¿©¶ó.</SPAN> </P> <P align=center> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=256 align=absMiddle height=180><PARAM NAME="_cx" VALUE="6773"><PARAM NAME="_cy" VALUE="4762"><PARAM NAME="BackColor" VALUE="2097196"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh2/64`45/12,[1]#xy/2`3/x`60`-5`5`1/y`40`-1`5`1,[2]B(-2, 0)/[1,L0]/32/0.333,[3]C(4, 0)/[1,L0]/82/0.817,[4]C/44`14/2,[5]#lb/45`10/{A(3, `sqrt{7})},[6]#ln/[4][2]/0,[7]#ln/[4][3]/0,[8]#dl/[4][3][2]/-0.7/0.501,[9]A/41`19/2,[10]B/45`19/2,[11]D(x, 0)/[1,L0]/32/0.617"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT></P> <P align=left>À§ ¹®Á¦¿¡¼ °¢ÀÇ À̵îºÐ¼±ÀÌ xÃà°ú ¸¸³ª´Â Á¡ D(x, 0) À̶ó µÎ¸é</P> <P align=left>°¢ÀÇ À̵îºÐ¼±ÀÇ ¼ºÁú¿¡ ÀÇÇÏ¿© ´ÙÀ½ ½ÄÀÌ ¼º¸³ÇÑ´Ù.</P> <P align=left> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=152 align=absMiddle height=18><PARAM NAME="_cx" VALUE="4021"><PARAM NAME="_cy" VALUE="476"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/34.4`4.3/12,[1]{AB : AC `equal` BD : CD}/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT> </P> <P align=left>µÎ Á¡ »çÀÌÀÇ °Å¸® ±¸ÇÏ´Â ½Ä¿¡ ÀÇÇÏ¿© </P> <P align=left> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=449 align=absMiddle height=39><PARAM NAME="_cx" VALUE="11879"><PARAM NAME="_cy" VALUE="1031"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/101.9`8/12,[1]{AB `equal`sqrt{{({x}_{2}-{x}_{1})}^{2}`plus`{({y}_{2}-{y}_{1})}^{2}}`equal`sqrt{{(3-(-2))}^{2}`plus`{sqrt{7}}^{2}}`equal`sqrt{32}`equal`4`sqrt{2}}/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT></P> <P align=left> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=419 align=absMiddle height=39><PARAM NAME="_cx" VALUE="11086"><PARAM NAME="_cy" VALUE="1031"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/94.6`8/12,[1]{AC `equal`sqrt{{({x}_{2}-{x}_{1})}^{2}`plus`{({y}_{2}-{y}_{1})}^{2}}`equal`sqrt{{(4-3)}^{2}`plus`{sqrt{7}}^{2}}`equal`sqrt{8}`equal`2`sqrt{2}}/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT></P> <P align=left> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=244 align=absMiddle height=24><PARAM NAME="_cx" VALUE="6455"><PARAM NAME="_cy" VALUE="635"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/54.3`5.6/12,[1]{BD `equal`left vbar{{x}_{2}-{x}_{1}}right vbar`equal`x-(-2)`equal`x`plus`2}/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT></P> <P align=left> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=162 align=absMiddle height=24><PARAM NAME="_cx" VALUE="4286"><PARAM NAME="_cy" VALUE="635"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/35.5`5.6/12,[1]{CD`equal`left vbar{{x}_{2}-{x}_{1}}right vbar`equal`4-x}/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT></P> <P align=left>µû¶ó¼ ºñ·Ê½ÄÀ» Ç®¸é</P> <P align=left> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=152 align=absMiddle height=18><PARAM NAME="_cx" VALUE="4021"><PARAM NAME="_cy" VALUE="476"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/34.4`4.3/12,[1]{AB : AC `equal` BD : CD}/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT></P> <P align=left> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=196 align=absMiddle height=21><PARAM NAME="_cx" VALUE="5185"><PARAM NAME="_cy" VALUE="555"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/44.3`4.8/12,[1]{4`sqrt{2} : 2`sqrt{2}`equal` x`plus`2 : 4-x }/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT> (¿ÞÂÊ ¾àºÐÇÏ¿© Á¤¸®Çϸé)</P> <P align=left> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=160 align=absMiddle height=18><PARAM NAME="_cx" VALUE="4233"><PARAM NAME="_cy" VALUE="476"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/36`4.3/12,[1]{2 : 1`equal` x`plus`2 : 4-x }/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT></P> <P align=left> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=111 align=absMiddle height=18><PARAM NAME="_cx" VALUE="2936"><PARAM NAME="_cy" VALUE="476"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/25.1`4.3/12,[1]{x`plus`2 `equal` 8-2x}/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT></P> <P align=left> <OBJECT class=MATH 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