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如图,圆锥的底面半径为2cm,高为cm,那么这个圆锥的侧面积是 cm2.
如图,圆锥的底面半径为2cm,高为
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101194037490781261/SYS201311011940374907812011_ST/0.png)
cm,那么这个圆锥的侧面积是
cm
2.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101194037490781261/SYS201311011940374907812011_ST/images1.png)
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