《2017届九年级数学下册课时训练3.pdf》由会员分享,可在线阅读,更多相关《2017届九年级数学下册课时训练3.pdf(4页珍藏版)》请在淘文阁 - 分享文档赚钱的网站上搜索。
1、探索三角形相似的条件(第一课时)A 组题1、判断下列说法是否正确。(1)所有的等腰三角形都相似。()(2)所有的等腰直角三角形都相似。()(3)所有的等边三角形都相似。()(4)所有的直角三角形都相似。()(5)有一个角是 100 的两个等腰三角形都相似。()(6)有一个角是 70 的两个等腰三角形都相似。()(7)有一个锐角对应相等的两个直角三角形相似。()2、如图,ABCDEF,则图中相似三角形的对数为()A、1 对B、2 对C、3 对D、4 对3、如图,梯形 ACDB 中,ABCD,对角线 AD、BC 相交于点 O,那么下列结论正确的是()A、AOCBOD B、ACDBDC C、AOBD
2、OC D、ABD BAC ODCBA4、已知:ABC和ABC中,A=40,B=70,A=40,C=70。说明:ABC ACB5、已知:如图,AB C、DEF均为等边三角形,点D、E分别在 AB、BC上。说明:BDECEH 6、已知:如图,ABC 是等边三角形,D、E在直线 BC上,且DAE 120。说明:ADBEAC 文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3
3、 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8
4、ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档
5、编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9
6、Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B
7、8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9
8、文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10
9、C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9DAFHCGBE7、已知:如图,在RtABC中,ACB 90,CD是斜边 AB上的高。说明:ADCCDB 8、已知:如图,在 ABC 中,D 是 BC 边的中点,且 AD=AC,DEBC,DE 与 AB 相交于点 E,EC 与 AD 的延长线交于 F。说明:ABCFCD B 组题如图,已知直线EF 与平行四边形 ABCD 的两边 DA、DC 的延长线分别相交于点E、F,与 AB、BC 分别相交于点G、H。图中的相似三角形有组。分别是:FBCEAD文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:C
10、Q3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 H
11、Y8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG
12、1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码
13、:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3
14、 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8
15、ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档
16、编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9
17、Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B
18、8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9
19、文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10
20、C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q
21、8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9文档编码:CQ3N2Z10C9Q3 HY8U8T1Q8B8 ZG1W7K5D5R9
限制150内