人教版八年级数学(下)平行四边形练习题

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

11ABCD1ADC=,BCD=2AB=,BC=2.2ABCD=123ABCDAB=25cmBECDEBE=37cmABCD41355ABCDACBDO1AD=8cmAB=4cmBC=___cmCD=___cmABCD2AC=10cmBD=8cmAO=___cmDO=___cmABCD6.1ABCDA=50B=C=D=2ABCDAB=40A=B=C=D=3ABCD28cmABBC=25AB=cmBC=cmCD=cmDA=cm7ABCDEFADGHCDEFGHOA4B5C8D98.ABCDAEBDEAD=60AE=2cmAC+BD=14cmOBC_______cm9.ABCC=90AB=2ACA=10.ABCDEFABACBC1EF=5cmAB=cmBC=9cmDE=cm2AFDEDCBA5828323cABDC5cm4cm11ABCDA1+2=180B2+3=180C3+4=180D2+4=18012ABCDB=110ADFCDEEFE+F=A110B30C50D7013.EFABCDACCEAFBEDF14.ABCDEFCDABDFBEEFBDOEO=OF15.ABCDOOABCDEFOE=OF.ABCDEF5111216ABCDOACOABCDMN?EFMNOE=OF12MAE=NCF17.ABCDACBDO,EFACAE=CF,BFDE.18.AFBCECBCBADEBDAEEF=FCBF1BAEF2BDCFF.19.ADBCE1=2=3BD=CDADB=90CHABHCHADF(1)CDAB(2)BDEACE(3)OABOF=12BE820.ABCDMNADBCANDNBMCMANBMPCMDNQ.MGNP21.MABCBCANBACBNANNAB=6BC=10MN=1.5ABC22.CBOAB=A=100EFCBFOC=AOCOEBOF1EOC2ACOCBOFB3ACOEB=OCAOCA

1 / 4
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功