有關AOB110的精選大全

如圖,已知圓心角∠AOB=110°,則圓周角∠ACB=(  )A.55°                   ...
問題詳情:如圖,已知圓心角∠AOB=110°,則圓周角∠ACB=()A.55°                       B.110°                      C.120°                     D.125...
如圖,已知圓心角∠AOB=110°,則圓周角∠ACB=(  )A.55°B.110°   C.120°   D...
問題詳情:如圖,已知圓心角∠AOB=110°,則圓周角∠ACB=()A.55°B.110°   C.120°   D.125°【回答】D解:根據圓周角定理,得∠ACB=(360°﹣∠AOB)=×250°=125°.知識點:各地中考題型:選擇題...
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