下列图形:正三角形、平行四边形、矩形、菱形、正方形、等腰梯形、直角梯形、圆,其中既是中心对称图形,又是轴对称图形的共有[ ]A.3个B.4个C.5个D.
题型:江苏期中题难度:来源:
下列图形:正三角形、平行四边形、矩形、菱形、正方形、等腰梯形、直角梯形、圆,其中既是中心对称图形,又是轴对称图形的共有 |
[ ] |
A.3个 B.4个 C.5个 D.6个 |
答案
B |
举一反三
如图中,是中心对称图形的是 |
[ ] |
A.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107114004-87611.png) B.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107114004-45184.png) C.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107114004-81178.png) D.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107114004-87841.png) |
下列各图中,为中心对称图形的是 |
[ ] |
A.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107114000-21001.png) B.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107114000-21972.png) C.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107114000-50670.png) D.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107114001-80467.png) |
下列图形中,是中心对称图形而不是轴对称图形的是 |
[ ] |
A.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107113956-82365.png) B.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107113956-11131.png) C.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107113956-61826.png) D.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107113956-50329.png) |
下列图形中,你认为既是中心对称图形又是轴对称图形的是 |
[ ] |
A.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107113939-33367.png) B.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107113939-78774.png) C.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107113940-64066.png) D.![](http://img.shitiku.com.cn/uploads/allimg/20191107/20191107113940-99159.png) |
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