2020-2021学年七年级数学人教版下册第5章相交线与平行线期中复习综合提升训练

1、2021 年人版年数下第 5 章相线与行期复综提训（答） CD OM BODAOM AB161CD1282 A62B56C28D72 DE A3C B1 24 D2 AC EABE A50B60C70D80 BD A1 B4 BCC+ ABDCABCADC CD DEF D A5 B4 C D2 E18C A36B34C32D30AF BAC AC AB 35BEF A35B60C70D80 DECDE110BCD A50B60C70D8010 C FBE BEAC BAD45 A45BC112.5D ABCD ADBAEBDBAF 12 3012 13 DFD 14ABEFABC20CEF

2、15AB l AOE1216 BC ABFD 17 ABCD87E 18230 19ABEF DABC40 20 ABBACmnACD 21 F AB EG 在 CD FGAE 12 H D 22 ABCD CD EFBFHFB 1BDFH2FH GFD3CFE1GFH 1 1 21 1 223 CD E CD ABEBED 1 BA DC D 2 3 CDABE CDE NABM CDM M E 24 DF BHGD 1DC25 l l B l DE l 1FD220215 26 MNPQ PQ C 1MABQCB20 2 2 AE D BAMn n ABC90 CDA B 27 ADBEB

3、D1 AB2260BACDCE AOC BOD 42AOD18042138 OM DOM21+21159 90162 AD23 DEB3 BCC4 DE D1+ABCDC40+EAB+C CDB4 BCC+180 ABCDDACABCA+ AB DABC ADCF1+4 E EF EF A54CEF18CDC36 AE CD DOEDOECCDOE5436AC1 BACFAC70 ACBAC C DE BC MDE130ABC130CMDBMD50CDE11050 10FAD45BAD18045135AC BADADACBACE67.5C BAD90ADB25ABD9025BD18065 57

4、.512BEF AEF 20 F250 50 13 32 CEFGEF32CEGFDDFDEGB6414ABABC26CDCEF18026 15AB1118040140 l 2707016 BC 3cm DFADcm 14 +14cm+DFADAB+20cm ABFD 20cm20cm17 DC FBAECFE87E8734182a330430 19 C HKABBCKABCCDEF90HKEF90+KCD130 13020 ED DE3BACm13m 2CDE180nC32m180+nm+180m21FGAE2112ABD+D180 DABD180D68 BC ABD4 FGBC1+9013

5、422ABB 20FHFB902ABBDFB+DFH90GFH90DFHFH 3CDCFBB180BCFEB43090306023 EFABEBACDABEFABCDEF+DEF+ABE 2 B 1+D360B+D+BFD2 M MFCDABM CDM CDNMBNxMDNyMDCyxxEDNy xDMFyABE6yx+y E EGCDBEGABE61806 BED+DEG3606+6360BMD3BMD+242 DFAECDDAEC BC25 CA HEFBCAHEFDHFD220215 DFEDF+CGD3526 B BFMNBAM30PQBFCBFQCBABC2 MAExDCPy n2 2BCP2 21ABC+BCQ2+180y90 MAEDGCDCPyxxy45 ABCMAExDCPyBAMnMAE