(完整word版)圆切线长定理及弦切角练习题.pdf

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1、切线长定理及弦切角练习题（一）填空1已知：如图 7143，直线 BC切O于 B点，AB=AC，AD=BD，那么 A=_ 2 已知：如图 7144，直线 DC与O相切于点 C，AB为O直径，AD DC于 D，DAC=28 侧CAB=_ 3已知：直线 AB与圆 O切于 B点，割线 ACD与O交于 C和 D 4已知：如图 7145，PA切O于点 A，割线 PBC交O于 B和 C两点，P=15，ABC=47，则 C=_5已知：如图 7146，三角形 ABC 的C=90，内切圆 O与ABC的三边分别切于 D，E，F 三点，DFE=56，那么 B=_ 6已知：如图 7 147，ABC内接于 O，DC切O于

2、 C点，1=2，则ABC 为_ 三角形7已知：如图 7148，圆 O为ABC外接圆，AB为直径，DC切O于 C点，A=36，那么 ACD=_（二）选择8已知：ABC内接于 O，ABC=25，ACB=75，过 A点作O的切线交 BC的延长线于 P，则APB等于 A62.5；B55；C50；D409已知：如图 7 149，PA，PB切O于 A，B两点，AC为直径，则图中与 PAB相等的角的个数为 文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI1

3、0D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4

4、F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:

5、CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 H

6、I10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 Z

7、V4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编

8、码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6

9、 HI10D4P8I4I1 ZV4F4L6W6Z3文档编码:CO5H1H3P3R6 HI10D4P8I4I1 ZV4F4L6W6Z3A1 个；B2 个；C 4 个；D5 个10已知如图 7150，四边形 ABCD 为圆内接四边形，AB是直径，MN 切O于 C点，BCM=38，那么 ABC的度数是 A38；B52；C68；D4211已知如图 7151，PA切O于点 A，PCB 交O于 C，B两点，且 PCB过点 O，AE BP交O于 E，则图中与 CAP相等的角的个数是 A1 个；B2 个；C3 个；D4 个（三）计算12已知：如图 7152，PT与O切于 C，AB为直径，BAC=60，AD为O

10、一弦求ADC 与PCA 的度数文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:

11、CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H

12、8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:

13、CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H

14、8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:

15、CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H

16、8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U313已知：如图 7153，PA切O于 A，PO交O于 B，C，PD平分 APC 求 ADP 的度数14已知：如图 7154，O的半径 OA OB，过 A点的直线交 OB于 P，交 O于 Q，过Q引O的切线交 OB延长线于 C，且 PQ=QC求 A的度数15已知：如图 7155，O内接四边形 ABCD，MN切O于 C，BCM=38

17、，AB为O直径求 ADC 的度数16已知：如图 7156，PA，PC切O于 A，C两点，B点文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9

18、R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8

19、J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9

20、R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8

21、J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9

22、R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8

23、J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U317已知：如图 7 157，AC为O的弦，PA切O于点 A，PC过 O点与 O交于 B，C=33 求 P的度数18已知：如图 7158，四边形 ABCD 内接于 O，EF切O 19已知 BA 是O的弦，TA切O于点 A，BAT=100，点 M在圆周上但与 A，B不重合

24、，求 AMB 的度数20已知：如图 7159，PA切圆于 A，BC为圆直径，BAD=P，PA=15cm，PB=5cm 求BD的长21已知：如图 7160，AC是O直径，PA AC于 A，PB切O于 B，BE AC于 E若AE=6cm，EC=2cm，求 BD的长文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5

25、N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 Z

26、V9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5

27、N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 Z

28、V9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5

29、N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 Z

30、V9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U322已知：如图 7161 所示，P为O外一点，PA切O于 A，从 PA中点 M引O割线MNB，PNA

31、=138 求 PBA的度数23已知：如图 7162，DC切O于 C，DA交O于 P和 B两点，AC交O于 Q，PQ为O直径交 BC于 E，BAC=17，D=45 求 PQC 与PEC的度数24已知：如图 7 163，QA切O于点 A，QB交O于 B 25已知：如图 7164，QA切O于 A，QB交O于 B和 C 文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U

32、2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编

33、码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U

34、2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编

35、码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U

36、2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编

37、码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U326 已知：在图 7165中，PA切O于 A，

38、AD平分 BAC，PE平分 APB，AD=4cm，PA=6cm 求EP的长27已知；如图 7166，PA为ABC外接圆的切线，A 为切点，DE AC，PE=PD AB=7cm，AD=2cm 求 DE的长28已知：如图 7 167，BC是O的直径，DA切O于 A，DA=DE 求 BAE的度数29已知：如图 7 168，AB为O直径，CD切O于 CAE CD于 E，交 BC于 F，AF=BF 求A的度数文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA

39、1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U

40、3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA

41、1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U

42、3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA

43、1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U

44、3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA

45、1C3U2H8R8 ZV9L8J3X7U330已知：如图 7169，PA，PB分别切 O于 A，B，PCD 为割线交 O于 C，D若 AC=3cm，AD=5cm，BC=2cm，求 DB的长31已知：如图 7170，ABCD 的顶点 A，D，C在圆 O上，AB的延长线与 O交于 M，CB的延长线与 O交于点 N，PD切O于 D，ADP=35，ADC=108 求 M的度数32已知：如图 7171，PQ为O直径，DC切O于 C，DP交O于 B，交 CQ延长线于A，D=45，PEC=39 求 A的度数33已知：如图 7 172，ABC内接于 O，EA切O于 A，过 B作 BD AE交 AC延长线于 D

46、若 AC=4cm，CD=3cm，求 AB的长文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7

47、U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 H

48、A1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7

49、U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 H

50、A1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7U3文档编码:CS2W5N6T9R5 HA1C3U2H8R8 ZV9L8J3X7