The rectangle can be made into a hollow cylinder with height 40cm and radius 1.910cm.
a) calculate the volume of this cylinder.
![The rectangle can be made into a hollow cylinder with height 40cm and radius 1910cm a calculate the volume of this cylinder class=](https://us-static.z-dn.net/files/d24/e2c2f37eb884a4f30db2af47253f66ad.png)