=NBPK,EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r/ABG+NBPK=9==,\r).NBKP=9==,\r>,MNBG,ML//CE,\r./LMN=9==,\rkSMNRLKG7S _QRS8CGEK“?7QRS”y\r)A1MN=^AC,fbg\r2\rbp3,Aq¢8c@?.E¢F§6XYEN¢NFFMME,\rÁ..QRSABCqK“?7QRS” M,NKAB,CD@?. \r...QRSENFMKG7S \r.FM=FN,ZMF/V=90°,\rMN=dFM2+FN?=yjlFM2=&\rD\rp3\r'M,FKA3,2C@?. \r.FM=^AC,\r.MN=?AC&\r2\r2bp4,AO¢BC@?.E¢±§6XYEN¢NFFMME,\rXYBO©ACP0,XYOM¢ON,\rD\rp4\r².q9MN³M¢0N´¥µ¶ OM+ON ?MN@;,EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r).2(OM+ON)>2MM\rlmnoAC1BD,\r0,M,NKAB,CZ)@?. \r).AB=20M,CD=2ON,\r).2(OM+ON)^AB+CD,\r).AB+CD>2MN,\r)A(1)MN=AAC-\r2\r0,AC=2,\r:.MN=&,\r.0.A8+Cr>@?2&.\r-./01PKQRSÈ·P 23?ÉC£}S@ÊM>lm hiQRS@ÊM>lm £}S@?\r¤¥@lm G7S@ÊM>lm ËÌMf u.ÍÎ¥ÏÐCÑ f?“?7QRS”@MN\rÒAK1P@EL.