2023届山东省聊城市莘县数学八上期末经典模拟含解析

A=4G-4\rbh?D’“(4644)\r¸”•EF\xˆ–—dGFEP±AB\rµ\nŠ¶NABCDVqŠ¶N\rbhDC=AB=8,DC//AB\rbhNC=NCBG,NCEF=NBGF,\rµ\nE,F(¹CD,AB9?\rbhDE=CE=4,CF=BF,\rbh4ECFº GBF(AAS)\rbhBG=EC=4,EF=FG\rbhAG=AB+BG=12,EG=2EF,\r]µ\nAFLEFEvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\rƒ;AE2+EG2=AG2\rƒ;(AE+EG)2-2AEEG=AG2\r„…EP=DH=4\rƒ;=>[\N†‡ˆ:‰AEEG==AGEP\r22\rƒ;A,EG=AGEP=12x4=48\rƒ;(AE+EGR2X48=122\rƒ;AE+EG=V122+96=4715\rƒ;AE+2EF=AE+EG=4\r(3)|!BŠAC\r‹!B':|B'N±AB:ŒACŠ!M,+,BM+MNŽ;‘\rAB'.\r’“nNABCD*”N:\r32\rƒ;_…i:AB=8,BC==4\r8\rƒ;AC=S]AB2+BC2=A/82+42=4•\rƒ;u[\NABCv,AC—\r˜*™=›\r4œ5\r’AC*B8'\r‹:\rƒ;BB'=2)ž=Ÿ A8=AB=8,MB'=BM\r55\r¡AN=x:YBN=8-x,€z‚iEvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r@<X=y,\r23B'NnJg-482\r32\rbhBM+MN=B'N=y\r»^~?T®NOP?@AB.01¼^½¾¿ÀLM$MN67?@AB@\r€?.