单选题 适中0.65 引用3 组卷220
如图,PA、PB是⊙O的两条切线,切点分别是A、B,如果OP=4,PA=2
,那么
等于![](https://img.xkw.com/dksih/QBM/2017/12/27/1847381583847424/1853300937515008/STEM/e02a48e3b31f4a12b052f219bc896ad4.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2017/12/27/1847381583847424/1853300937515008/STEM/9f40a8f85dad4d95a8227cc19ac14a1d.png?resizew=132)
![](https://img.xkw.com/dksih/QBM/2017/12/27/1847381583847424/1853300937515008/STEM/e02a48e3b31f4a12b052f219bc896ad4.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2017/12/27/1847381583847424/1853300937515008/STEM/9f40a8f85dad4d95a8227cc19ac14a1d.png?resizew=132)
A.90° | B.100° | C.60° | D.110° |
17-18九年级上·河南新乡·期末
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A.90° | B.100° | C.60° | D.110° |
组卷网是一个信息分享及获取的平台,不能确保所有知识产权权属清晰,如您发现相关试题侵犯您的合法权益,请联系组卷网