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(2010•下城区模拟)侧棱长为15cm的直三棱柱的三个侧面面积分别为cm2、c...
(2010•下城区模拟)侧棱长为15cm的直三棱柱的三个侧面面积分别为
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230651758864695/SYS201310212306517588646013_ST/0.png)
cm
2、
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230651758864695/SYS201310212306517588646013_ST/1.png)
cm
2和
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230651758864695/SYS201310212306517588646013_ST/2.png)
cm
2,则该棱柱上底面的面积为
cm
2.
考点分析:
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