<P>이현녀 선생님의 답글입니다.</P> <P> </P> <DIV class=board> <P>[1] 닮음을 두번 이용한 증명</P> <P> </P> <P> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=181 align=absMiddle height=138><PARAM NAME="_cx" VALUE="4788"><PARAM NAME="_cy" VALUE="3651"><PARAM NAME="BackColor" VALUE="3932222"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh3/45.3`34.5/12,[1]A/11`6/60,[2]D/42`6/72,[3]#ln/[1][2]/0,[4]N/27`29/32,[5]#ln/[2][4]/0,[6]#pl/[1][4][2]/-26.9`15.1,[7]#pl/[6,P0][1][2]/0,[8]#ln/[1][4]/0,[9]#lb/35`18/{C},[10]#lb/2`20/{B},[11]#lb/17`20/{M}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT></P> <P> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=198 align=absMiddle height=18><PARAM NAME="_cx" VALUE="5238"><PARAM NAME="_cy" VALUE="476"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/45.5`4.3/12,[1]{triangle`ABM `similar` `triangle`NCM `similar` `triangle` NDA }/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT> 이므로 <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=129 align=absMiddle height=35><PARAM NAME="_cx" VALUE="3413"><PARAM NAME="_cy" VALUE="926"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/28.4`8.2/12,[1]{{BM}/{AB}`equal`{CM}/{CN}`equal`{AD}/{DN}}/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT></P> <P> <OBJECT class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=107 align=absMiddle height=35><PARAM NAME="_cx" VALUE="2831"><PARAM NAME="_cy" VALUE="926"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/24`8.2/12,[1]{therefore` {BM}/{AB}`equal`{AD}/{DN}}/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT> 이므로 <OBJECT style="WIDTH: 142px; HEIGHT: 17px; TOP: 237px; LEFT: 150px" class=MATH classid=clsid:70E4BF88-2729-4A46-8794-D459BAC0EB63 width=142 align=absMiddle height=17><PARAM NAME="_cx" VALUE="3757"><PARAM NAME="_cy" VALUE="449"><PARAM NAME="BackColor" VALUE="4063280"><PARAM NAME="Enabled" VALUE="-1"><PARAM NAME="Script" VALUE="[0]#wh4/32.3`4.3/12,[1]{AB`hdot`AD `equal` BM`hdot`DN}/{#xc333333}"><PARAM NAME="FontSize" VALUE="12"><PARAM NAME="FontColor" VALUE="3355443"><PARAM NAME="Editable" VALUE="0"><PARAM NAME="Measurable" VALUE="0"></OBJECT></P> <P> </P> <P>[2] 대각선의 중점을 기준으로 생각해 봄</P> <P><img onLoad='miniSelfResize(contents_1707,this); if(this.parentNode.tagName=="A"){this.onclick = "";}' border=0 hspace=0 alt="" align=baseline src="http://www.mathlove.kr/board1/MBImages/i080619478_11.jpg"></P></DIV>
