)@P`p?1\n8\r??\n`?.\r!"1.02.#$??03.?%04.&.\r23'(1)()*0(2)()*0\r?\r(1)+,-.ABCD/?0,-.\n?0,-.1-23\n142356\n78NA=NC,AB=CD,\r9+AE=CF,:;SAS,7<=>ABE^ACDF.\r(2)+,-.ABCD/?0,-.\n?0,-.1-?0?23\n7AD@BC,AD=BC,9+AE=CF,\r78DE=BF.1-?0?23,-./?0,-.\n78,-.BFDE/?0,-..\r?\r8@"(1):,-.ABCD/?0,-.\n.\ZA=ZC,AB=CD,\rBCABEECCDF\nVAB=CD,ZA=ZC,AE=CF,\r.,Q`ABE^ACDF(SAS).\r(2),,-.ABCD/?0,-.\npAD@BC,AD=BC.\rVAE=CF,AAD-AE=BC-CF,7DE=BF.\r,-.BFDE/?0,-..\r24'8+673.\r?\r@GHC7/JLA8I".BRtABHCKLCT/'BH,BRtAACT7?KLAH'AC7)MNO;EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\rQR)S\r)"@GHSLABI".\rBRtABCH\n'BC=12,N3=30T\r:.CH=yBC=6,BH=y/BC2-CH2=66p\r*V±3CH\rBRtAACH? tanA=-=----- \r4AH\r.AH=S,\rQQQ4C=yjAH2+CH2=1 p\rQ!XS\rYOZ)[4\4.\n]4\4^3_`\n)Oab/cdefg;hij\nkl[4\4.)MNO\nmI\rgOn.