AOB110的知识精选

如图,已知圆心角∠AOB=110°,则圆周角∠ACB=(  )A.55°B.110°   C.120°   D...
问题详情:如图,已知圆心角∠AOB=110°,则圆周角∠ACB=()A.55°B.110°   C.120°   D.125°【回答】D解:根据圆周角定理,得∠ACB=(360°﹣∠AOB)=×250°=125°.知识点:各地中考题型:选择题...
如图,已知圆心角∠AOB=110°,则圆周角∠ACB=(  )A.55°                   ...
问题详情:如图,已知圆心角∠AOB=110°,则圆周角∠ACB=()A.55°                       B.110°                      C.120°                     D.125...
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