<![CDATA[
<!--StartFragment--><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; -ms-text-autospace:; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;"><!--[if gte vml 1]><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"> <v:stroke joinstyle="miter"/> <v:formulas> <v:f eqn="if lineDrawn pixelLineWidth 0"/> <v:f eqn="sum @0 1 0"/> <v:f eqn="sum 0 0 @1"/> <v:f eqn="prod @2 1 2"/> <v:f eqn="prod @3 21600 pixelWidth"/> <v:f eqn="prod @3 21600 pixelHeight"/> <v:f eqn="sum @0 0 1"/> <v:f eqn="prod @6 1 2"/> <v:f eqn="prod @7 21600 pixelWidth"/> <v:f eqn="sum @8 21600 0"/> <v:f eqn="prod @7 21600 pixelHeight"/> <v:f eqn="sum @10 21600 0"/> </v:formulas> <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"/> <o:lock v:ext="edit" aspectratio="t"/> </v:shapetype><v:shape id="_x218167688" style="v-text-anchor:top;width:135.07pt;height:13.50pt;" type="#_x0000_t75"><v:imagedata o:title="DRW00000f24219a" src="file:///C:\Users\ADMINI~1\AppData\Local\Temp\DRW00000f24219a.gif"/><w:wrap type="topAndBottom"/></v:shape><![endif]--> <!--StartFragment--></p><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; -ms-text-autospace:; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;"><!--[if gte vml 1]><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"> <v:stroke joinstyle="miter"/> <v:formulas> <v:f eqn="if lineDrawn pixelLineWidth 0"/> <v:f eqn="sum @0 1 0"/> <v:f eqn="sum 0 0 @1"/> <v:f eqn="prod @2 1 2"/> <v:f eqn="prod @3 21600 pixelWidth"/> <v:f eqn="prod @3 21600 pixelHeight"/> <v:f eqn="sum @0 0 1"/> <v:f eqn="prod @6 1 2"/> <v:f eqn="prod @7 21600 pixelWidth"/> <v:f eqn="sum @8 21600 0"/> <v:f eqn="prod @7 21600 pixelHeight"/> <v:f eqn="sum @10 21600 0"/> </v:formulas> <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"/> <o:lock v:ext="edit" aspectratio="t"/> </v:shapetype><v:shape id="_x217864648" style="v-text-anchor:top;width:133.57pt;height:13.50pt;" type="#_x0000_t75"><v:imagedata o:title="DRW00000f24219e" src="file:///C:\Users\ADMINI~1\AppData\Local\Temp\DRW00000f24219e.gif"/><w:wrap type="topAndBottom"/></v:shape><![endif]--> <!--[if !vml]--><img width="133" height="13" src="data:image/png;base64,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" v:shapes="_x217864648"></p><span style="font-size: 14pt;"><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; -ms-text-autospace:; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;"><br></p><span style="font-size: 10pt;"><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; -ms-text-autospace:; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;">인 직각삼각형ABC에 대해 선분 AC위를 움직이는 점 P라 하자. </p><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; -ms-text-autospace:; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;"><!--StartFragment--><br></p><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;"><!--[if gte vml 1]><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"> <v:stroke joinstyle="miter"/> <v:formulas> <v:f eqn="if lineDrawn pixelLineWidth 0"/> <v:f eqn="sum @0 1 0"/> <v:f eqn="sum 0 0 @1"/> <v:f eqn="prod @2 1 2"/> <v:f eqn="prod @3 21600 pixelWidth"/> <v:f eqn="prod @3 21600 pixelHeight"/> <v:f eqn="sum @0 0 1"/> <v:f eqn="prod @6 1 2"/> <v:f eqn="prod @7 21600 pixelWidth"/> <v:f eqn="sum @8 21600 0"/> <v:f eqn="prod @7 21600 pixelHeight"/> <v:f eqn="sum @10 21600 0"/> </v:formulas> <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"/> <o:lock v:ext="edit" aspectratio="t"/> </v:shapetype><v:shape id="_x217864968" style="v-text-anchor:top;width:52.34pt;height:15.38pt;" type="#_x0000_t75"><v:imagedata o:title="DRW00000f2421a2" src="file:///C:\Users\ADMINI~1\AppData\Local\Temp\DRW00000f2421a2.gif"/><w:wrap type="topAndBottom"/></v:shape><![endif]--> <!--[if !vml]--><img width="52" height="15" src="data:image/png;base64,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" v:shapes="_x217864968"><!--[endif]--> 의 최솟값을 구하여라. </p><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;"><br></p><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;"><br></p><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;"><br></p><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;"> 정답: <!--StartFragment--></p><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; -ms-text-autospace:; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;"><!--[if gte vml 1]><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"> <v:stroke joinstyle="miter"/> <v:formulas> <v:f eqn="if lineDrawn pixelLineWidth 0"/> <v:f eqn="sum @0 1 0"/> <v:f eqn="sum 0 0 @1"/> <v:f eqn="prod @2 1 2"/> <v:f eqn="prod @3 21600 pixelWidth"/> <v:f eqn="prod @3 21600 pixelHeight"/> <v:f eqn="sum @0 0 1"/> <v:f eqn="prod @6 1 2"/> <v:f eqn="prod @7 21600 pixelWidth"/> <v:f eqn="sum @8 21600 0"/> <v:f eqn="prod @7 21600 pixelHeight"/> <v:f eqn="sum @10 21600 0"/> </v:formulas> <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"/> <o:lock v:ext="edit" aspectratio="t"/> </v:shapetype><v:shape id="_x217865288" style="v-text-anchor:top;width:16.00pt;height:25.80pt;" type="#_x0000_t75"><v:imagedata o:title="DRW00000f2421a6" src="file:///C:\Users\ADMINI~1\AppData\Local\Temp\DRW00000f2421a6.gif"/><w:wrap type="topAndBottom"/></v:shape><![endif]--> <!--[if !vml]--><img width="16" height="25" src="data:image/png;base64,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" v:shapes="_x217865288"><!--[endif]--> </p><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; -ms-text-autospace:; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;"><br></p><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; -ms-text-autospace:; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;"></p></span></span><p class="0" style="text-align: justify; -ms-layout-grid-mode: both; -ms-text-autospace:; mso-pagination: none; mso-padding-alt: 0.0pt 0.0pt 0.0pt 0.0pt;"><!--[if !vml]--><!--[endif]--> </p><p><span style="font-size: 11pt;"></span><br></p>
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카페 게시글
질문과 답
고1
최솟값 구하기 문제
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추천 0
조회 217
18.05.06 13:21
댓글 3
다음검색
첫댓글 좌표정하고 푸시면....
고맙습니다
다른풀이
중선정리 이용하시면 선분 AB의 중점을 M이라 하고 M에서 직선 AC까지의 거리 구하시고 수선의 발이 P일 때 최소
2(PM^2+OM^2)=2(27/16+9/4)=63/8