사각형 ABCD는 마주보는 변이 평행하고 모든 변의 길이가 같으며 모든 각은 직각이다. 점 A에서 선분 BC의 중점에 내린 선분 AF와 점 C에서 선분 AB의 중점에 내린 선분 CE의 교점을 G라고 하자. 사각형 AGCD의 넓이는?(삼각형 GFC의 넓이는 3제곱센티미터이다.)
좋아요
0
글쎄요
0
어려워요
0
-
해결
A PHP Error was encountered
Severity: Warning
Message: mkdir(): Permission denied
Filename: libraries/Common.php
Line Number: 202
Backtrace:
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
Line: 202
Function: mkdirFile: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
Line: 236
Function: getLatexImgFile: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/views/ver3/inc/view_comment_list.php
Line: 90
Function: parseLatexImgFile: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/views/ver3/inc/view.php
Line: 343
Function: viewFile: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
Line: 558
Function: viewFile: /volume1/web/PhpstormProjects/www_polymath_co_kr/index.php
Line: 315
Function: require_once비밀 댓글이 등록 되었습니다.A PHP Error was encountered
Severity: Warning
Message: file_put_contents(/DATA/upload/polymath/latex/6c5b434408f8bbfa72f91fc4a16c9caa.gif): failed to open stream: No such file or directory
Filename: libraries/Common.php
Line Number: 213
Backtrace:
File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
Line: 213
Function: file_put_contentsFile: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
Line: 236
Function: getLatexImgFile: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/views/ver3/inc/view_comment_list.php
Line: 90
Function: parseLatexImgFile: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/views/ver3/inc/view.php
Line: 343
Function: viewFile: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
Line: 558
Function: viewFile: /volume1/web/PhpstormProjects/www_polymath_co_kr/index.php
Line: 315
Function: require_once댓글 작성하기 댓글수0 -
다시 도전
