2020-2021年度北师大版八年级数学下册《1.3线段垂直平分线》达标测评

2020-2021年度北大八级学册《1.3线垂平线达测（答）DEBCEACACEA161822D90C15ACDEACDBCD10cmABA4cmB5CDABCACBADCABDEEmBCAmB+2mD2+ABCBDABCEBDF40CFDA30

B45

C55

D60

ABCABDEDBCFGBCACGGEA131415DABCEACBCBACA35

B40

C50

D55ABCEDACA6B8CD16ABCACBCOA25

B30

C35

D40ABCACBCB7019CA24

B30

C21

D40

AED1AED110ABACD130A90

B100

C

DDEBDCDSS△△12BClO3913AMONAMONBCDMON115BDC

14ACBCACFDG6EFFC10ABC15ABC1ACDEACDE

AEBEBE16ABABD10CF17BDAGDCEAFBF132ABC18ABCACBO

19ABCABDE20ABCD中ABEABC

AD21BAC90BEABCAMMBEADBCDBEFBFAD22ABCADADBCF23BCBCDECEA+ACB

24ABCDCDACDDGGAE1AFG2ACDF3EF25ABABBCDMNACBCM1BAC112EAN2BAC3αEAN

DE+EC+AEEB+ACAB+ACDE10EACDEABADBDBDAEABCADDECDDECADBBADB+BAD180CB302AC2AEmmBCBE+DEDB++BC+BEnBDABDCBDABDCBDBC

CFFCBA5050+xx30260DDEGFBCEA+GCEG16GA++EGEG+EG16EG1470BC70ACBCEBNANCNACBACBAE+NACEANBCEAN+BAC1107040D

AD23+23AB+BDAD15+++1523BACABC+OAOABOCA+OBC+OCB11550OBOCCBODEEAC+19EAC+19B+C18070C24

ADBADBADBAEDADBADBADB1ADBADBADBAEDADBADBADB110DDEDFACDADBDCDABDBADACCBC130A130360130CD4BEADBDxBEDeq\o\ac(△,S)△

eq\o\ac(△,S)△△+5△eq\o\ac(△,S)eq\o\ac(△,)eq\o\ac(△,S)eq\o\ac(△,)eq\o\ac(△,S)eq\o\ac(△,)△12BOPBCllO

AOBDOBEODOE+ABC180DOE+1ABC39OAAABOAOPABO+OBCAOPCOPA787813DDEOMDFONDEBDFCDFOMON90DEOMDFONODMONDEDFBCDPBCBDeq\o\ac(△,Rt)DEBeq\o\ac(△,Rt)DFC

eq\o\ac(△,Rt)eq\o\ac(△,Rt)DFCEDBCDFBDFEDB6514BFEBCACFFCAE

228+EF90

186

+24

+2415ACABEBA+ACE+180ACE+902BE1

16FA10AFFC121217BDAGBFFGCEAF+2+3+AC+4+5+6151518ABACOAOABOACABOOCABACOACBACABCACBE90BOC+E1802BAC+90BACBAC36191ENACDADBEAEC

DABCDAB+++DAE1802C200+CBAC2DMENABDADBEAECDABCDAB+++C+1802C160+CBAC8020EBDEABDADBADBAABC24AD

BDBCCBDC180787821BACABC+C90AMBCAMBABC+BAMCBAMMADCADBAM+CADB+BADADBBDADAFFD22ADBAC1ADFAFDFADFDAFAD+1+23BCBCDABECBEBCEBC+ACB

BCE+ACB24ABBEAEBCAB9090AFGAED452CDADACBDAEADC45DAEADDFDF36BDCB3FHHEHFFH