《垂直于弦的直径》优秀教学设计(教案)

dingmumu
0 ℃
2021-12-07

整理文档很辛苦，赏杯茶钱您下走！

还剩 ... 页未读，继续阅读 >>

免费阅读已结束，点击下载阅读编辑剩下 ... 页

阅读已结束，您可以下载文档离线阅读编辑

资源描述

24.1.2123;1237.47.2______________________1ABOCDCDABE122?ABOAE=BE.ECD.1ABCD2?.11.()2.()3.()2OAB8cmOAB3cmO.1O5cm,OE=3cm,AB=cm.2O5cmAB8cmABCDMOM_____,CM_________.123451377.23ABABOROABOCDOCABDDABCABCDAB=37.4CD=7.2OD=OCCD=R7.2,7.184.372121ABADOABPEFRtOADOA2=AD2+OD2R2=18.72+R7.22R279m27.9m.2ABOAB=8,POPAB,APBP,OOEAPE,OFBPF,EF=_____.3100cmAB=80cm.1231.8322.650mmAB=600mm3.5cmOAB,CD8cm6cm..4.:7.2mOOCABDCCD=2.4m3mAB2mBAO