000  $anz n  2
000  $a주제어
001  $aKSH1998044893
005  $a19990619123650
008  $a980720 n azknnaabn          |a a|a    | 
150  $a내접원[內接圓]
450  $wr$i영어$ainscribed circle
550  $wg$a원(기하학)[圓]
550  $a내접[內接]
550  $a다각형[多角形]
550  $a외접원[外接圓]