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如图,⊙O半径等于R,AB、CD都是⊙O的直径,的度数是120°,P点在上,PA交CD于M...
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如图,⊙O半径等于R,AB、CD都是⊙O的直径,
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABcAAAAWCAYAAAArdgcFAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAIcSURBVEhL7VTPS1RRGL2muXJhf8BIlAtr5aqF
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4G78O5JrubqNdAKxpgBuV9E05RVgt3rR8PAjVnd/eYPPhnWM9+lo14lhaACdg08QeRrFm/ezEOtH
2PqRq/u5u4nV6VeYek3Mx6Lg0QgiD6ims4Mm03GvPYjh+Ae8XLZq2OM6htarDKUlxOZyM661vUDq
85fCop4cAoscInwHNYFK8oThQtlFaF0x6EkbvDBK8TdUzYvH+QtDzw9cgPOMdzthSI2z2xB0jc7k
07F8ZMmAawxaHrh1zpgBJ44wzDMN7uue4BmuSVYqExtY48ifR8BwNZRRzJs7w2FwkoQYOsGthvns
rHpqTDXu5QInBpKZycQJZLN2i1ogAAq4MGwtib2mjGk28/LgbPRT8KzOuRQ4TJPNigWXOjtsMqOm
GGcxZz6yCO5lsmmoycqVADmFOxV2ttV4Wl74WUEqODOazXH2A1HzLIk4Ph7/9Pz/cZ2Rxn/6y/0D
9b3ySMXFmA4AAAAASUVORK5CYII=
)
的度数是120°,P点在
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAWCAYAAADafVyIAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
上,PA交CD于M,PC交AB于N.
(1)写出图中所有的相似三角形.
(2)求证:OM+ON=R.
相关试题
-
如图,⊙O半径等于R,AB、CD都是⊙O的直径,
的度数是120°,P点在
上,PA交CD于M,PC交AB于N.
(1)写出图中所有的相似三角形.
(2)求证:OM+ON=R.
-
如图,⊙O的半径等于R,AB,CD都是⊙O的直径,
=120°,P点在
上,PA交CD于M,PC交AB于N.
(1)求证OM+ON是一个定值;
(2)写出图中所有的相似三角形.
-
如图,⊙O的半径等于R,AB,CD都是⊙O的直径,
=120°,P点在
上,PA交CD于M,PC交AB于N.
(1)求证OM+ON是一个定值;
(2)写出图中所有的相似三角形.
-
如图,⊙O的半径等于R,AB,CD都是⊙O的直径,
=120°,P点在
上,PA交CD于M,PC交AB于N.
(1)求证OM+ON是一个定值;
(2)写出图中所有的相似三角形.
-
如图,⊙O中弧AB的度数为60°,AC是⊙O的直径,那么∠BOC等于( )
![](https://img.xintiku.com/upload/e3/46/e346d18f89f69c919eda6097564886cd.png)
A.150°
B.130°
C.120°
D.60°
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如图,⊙O中弧AB的度数为60°,AC是⊙O的直径,那么∠BOC等于( )
![](https://img.xintiku.com/upload/4b/5f/4b5ffcc6a84610bafa0ed3b8f70cf8bf.png)
A.150°
B.130°
C.120°
D.60°
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如图,⊙O中弧AB的度数为60°,AC是⊙O的直径,那么∠BOC等于( )
![](https://img.xintiku.com/upload/a4/88/a4887a16601dcfbeb6e8b26a5d6f1270.png)
A.150°
B.130°
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如图,⊙O中弧AB的度数为60°,AC是⊙O的直径,那么∠BOC等于( )
![](https://img.xintiku.com/upload/a1/86/a18659711435b3b94f59100aafc607dd.png)
A.150°
B.130°
C.120°
D.60°
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如图,⊙O中弧AB的度数为60°,AC是⊙O的直径,那么∠BOC等于( )
![](https://img.xintiku.com/upload/b5/cb/b5cb35a59eb8be503350616a3d2b1c91.png)
A.150°
B.130°
C.120°
D.60°
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如图,⊙O中弧AB的度数为60°,AC是⊙O的直径,那么∠BOC等于( )
![](https://img.xintiku.com/upload/1d/94/1d942b1426b16a1b14a4d5c6cd491342.png)
A.150°
B.130°
C.120°
D.60°