BD=/.ACE,BD=CE,\r}/rstPw©ª"PN="BD,PM="CE,\r.PM=PN,\r.(.pPMN?arst\r«(1)P^¬"PM//CE,\r4DPM=DCE,\r«(1)P^¬"PN//BD,\rZ,PNC=DBC,\rDPN=DCB+PNC=DCB+DBC,\rMPN=DPM+DPN=DCE+(DCB+DBC\r=LBCE+DBC=ACB+Z,ACE+DBC\r=Z.ACB+Z-ABD+Z.DBC=Z.ACB+Z-ABC9\rZ,BAC=90°,\r4C8+4BC=90°,\rMPN=90°,\rPMN?axsrst'\r(3)R(2)SpPMN?axsrstPM=PN=`,\r(((PM67`APMN®67EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r.,.kuBAP¯°ª±,\r.2BD=AB+AD=11,\r2PM=5,\r1,1121\r66S^PMN^=2PM~2X\r}/rstPw©ª"PM=)E,PN=\BD,²E³80=CE,O:"ij}\r/rstPw©ª"PM""4DPM=^DCA,6µ/¶·O:"ij'\r(2)³pABD¸pACE,"BD=CE,«(1)P^¬"PM=PN="BD,O:"\rPM=PN,«(1)P^¬O:"ij'\r(3)³8067`pPMNP®67E8k67?AB+/D=10,O:"ij.\r[\n=¹º
»¼\n½¾\]¢rstPw©ªmaxsrstPvYZ\rarstPvYZxsrstPYZP»¼/'?(1)P???³PM=CE,PN=\r\BD,?(2)P???³pABDgUCE,?(3)P???³MN67`pPMNP®\r67.