已知△ABC≌△A′B′C′,∠C=∠C′=90°,AB=5cm,BC=4cm,AC=3cm,则△A′B′C′的周长为______.
题型:不详难度:来源:
已知△ABC≌△A′B′C′,∠C=∠C′=90°,AB=5cm,BC=4cm,AC=3cm,则△A′B′C′的周长为______. |
答案
∵AB=5cm,BC=4cm,AC=3cm, ∴△ABC的周长=5+4+3=12cm, ∵△ABC≌△A′B′C′, ∴△A′B′C′的周长=12cm. 故答案为:12cm. |
举一反三
如图,△ABC的顶点分别为A(0,3),B(-4,0),C(2,0),且△BCD与△ABC全等,则点D坐标可以是______.
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027040744-58116.png) |
已知:如图,△ABD≌△EBC,且∠1=∠2,AB=BE,则AD=______,∠C=______.
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027040742-76240.png) |
如图,△ABE≌△ACD,∠B=50°,∠AEC=120°,则∠DAC的度数是( )
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027040737-48773.png) |
如图,点A、D、B、E在同一直线上,△ABC≌△DEF,AB=6,AE=10,则DB等于( )
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如图,点A、B分别在∠COD的边上,AD与BC相交于点E,若△OAD≌△OBC,且∠O=65°,∠C=20°,则∠OAD=______.
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027040731-93688.png) |
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