![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
棱长是4cm的正方体的体积与一个长方体的体积相等,如果这个长方体的高是8cm,它的底面积是{ }()
A.32 cm²
B.8cm
C.8cm²
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
C、8cm²
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.32 cm²
B.8cm
C.8cm²
C、8cm²
A.116
B.133
C.146
D.150
一个长方体模型,所有棱长之和为72,长宽高的比是4:3:2,则体积是多少?()
A.72
B.192
C.128
D.96
一个正方体的棱长增加了20%后,体积增加了:
A.20%
B.44%
C.72.8%
D.80%
小曾做了一个长方体纸盒,所有棱长的和是120,长宽高的比是5∶3∶2,该长方体纸盒的体积是多少?()
A.810
B.375
C.288
D.180