中考填空-求角的度数
Presentation
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Mathematics
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8th Grade
•
Hard
Nalo Zhu
FREE Resource
0 Slides • 3 Questions
1
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【2022.15】如图，射线AB与圆O相切于点B，经过圆心O的射线AC与圆O相交于点D、C，连接BC，若∠A=40°，则∠ACB=
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2
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【2014.18】如图，△COD是△AOB绕点O顺时针旋转40°后得到的图形，若点C恰好落在AB上，且∠AOD的度数为90°，则∠B的度数是
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3
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【2013.17】如图，AB//CD，AE=AF，CE交AB于点F，∠C=110°，则∠A=
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【2022.15】如图，射线AB与圆O相切于点B，经过圆心O的射线AC与圆O相交于点D、C，连接BC，若∠A=40°，则∠ACB=
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