<div><object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0" width="500" height="408" id="NFPlayer01970" align="middle"><param name="allowAccess" value="always" /><param name="allowFullScreen" value="true" /><param name="movie" value="http://serviceapi.nmv.naver.com/flash/NFPlayer.swf?vid=7CC72DF074854D5D9B252780974B2E7A6B6B&outKey=V126d568404bca68ce2b80e798e7b382bb0e8c94310342d282c5e0e798e7b382bb0e8" /><param name="wmode" value="window" /><embed src="http://serviceapi.nmv.naver.com/flash/NFPlayer.swf?vid=7CC72DF074854D5D9B252780974B2E7A6B6B&outKey=V126d568404bca68ce2b80e798e7b382bb0e8c94310342d282c5e0e798e7b382bb0e8" wmode="window" width="500" height="408" allowaccess="always" name="NFPlayer01970" allowfullscreen="true" type="application/x-shockwave-flash"></embed></object></div> <div><br /></div> <div>세 사람이 각각 직선 2개(총 6개)를 이어서 밀폐된 도형을 만들었다.</div> <div><br /></div> <div>이때 만들어지는 도형의 이름을 구하시오.</div> <div></div>