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2022年勾股定理练习题精华 .pdf

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1、勾股定理练习题一、填空题1、若直角三角形的两边长分别是3、4，则第三边的长为；2、若等腰三角形的一边长为6，则另两边的长分别是3、如图：ACBC于 C，CDAB 于 D（1）若 BC=8，AC=15，则 CD=（2）若 AB=29，AC=21，则 CD=4、如图 C=30，AD BC，AB AC，BE=EC（1）若 AE=4，则 AD=（2）若 AD=33，DE=3,则 BC=；AB=；AC=5、如图，正方形 ABCD，若 OD=3，OCOD，OC=OD，则 BD=，正方形 ABCD的面积=6、直角三角形ABC中，若周长为30，斜边上中线长为6.5，则该三角形的面积为7、若两条线段长分别是20

2、，25，则当第三条线段的长为时，这三条线段首尾连结可以组成直角三角形。8、若22242 5618abcabc，则 ABC的形状是二、写出下列命题的逆命题，并判断真假。1、两条直线平行，同旁内角互补。2、若 x=-3，则2230 xx。3、直角三角形中，30锐角所对直角边等于斜边的一半。4、若一个整数的末位数字是0，则这个数能被5 整除。ACBDBCADEDCBAO三、解答题1、如图：Rt ABC中，CA=。，AM=AC=12,BN=BC=5,求 MN 的长。2、Rt ABC中，C=。，AD 平分C,AC=10cm,AB=26cm,求 BD 长。3、Rt ABC中，C=。，AC=BC,BD AB

3、,。，AD=12,求 BC长。文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6

4、W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F

5、4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编

6、码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H

7、6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F

8、5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10

9、R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F24、直角三角形中，两条直角边的差为cm,斜边长为求斜边上的高。5.如图，在RtABC中，C=90，D 为 BC上一点，AB=17，BD=9

10、，AD=10，求 AC的长6.在 RtABC中，C=90，CAB 的平分线交BC于 D，且 CD=1.5，BD=2.5，求 AC的长BCADCABD文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5

11、 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R

12、9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B

13、9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W

14、10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4

15、F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码

16、:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F27.如图，在Rt A

17、BC 中，C=90，AD=AC 且DE AC，BE=3，求AC，AB 的长8.在 ABC中，AB=15，AC=13，高 AD=12，求 ABC的周长9、已知：如图四边形ABCD中对角线AC、BD 互相平分，相交于O，且 ACBD。若 AC=m，BD=n，求四边形ABCD的周长。ACBDEODABC文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8

18、R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 Z

19、T6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X

20、9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文

21、档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO

22、6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I

23、3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB

24、10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F210、等腰三角形的顶角为120，底边长为cm32，求该三角形的周长和面积。11、RtABC中，两条直角边之和为p cm，斜边长为q cm，求 ABC的面积。12、ABC中，AB=AC=41，D 为 AC上一点，CD=1，BD=9，求 ABC的面积。ABCD文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9

25、A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9

26、 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W1

27、0X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F

28、2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:

29、CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S

30、8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5

31、HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F213、四边形 ABCD各边长分别为，AB=3，BC=2，AD=5，CD=2且 ABBC，求此四边形的面积。14、三角形ABC中，A：B：C=1：2：3，求证：223BCAC15、三角形ABC中，C=90，BD 为 AC边中线，求证：AB2=4 BD2-3 BC2 BCADDCAB文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H

32、6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F

33、5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10

34、R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8

35、B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6

36、W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F

37、4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编

38、码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F216、三角形ABC中，C=90，P为 BC边中点，PDAB于 D，求证：AD2-BD2=AC2 17、三角形ABC 中，AB AC，AM 为BC 上的中线，AD 为BC 上的高，求证：DMBCACAB222DCABD文档编码:CO6H6S8I3F5 HB

39、10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8

40、R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 Z

41、T6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X

42、9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文

43、档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO

44、6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I

45、3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F218、如图，P为 BC上任一点，AB=AC BAAC 求证：2222PAPCPB19、如图，P,Q 在 AB 上，45PCQ,AC=BC,AC BC，求证：222BQAPPQ文档编码:CO6H6S8I3F5

46、 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R

47、9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B

48、9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W

49、10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4

50、F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码:CO6H6S8I3F5 HB10R9A8R8B9 ZT6W10X9F4F2文档编码

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