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/d31/a333e59db31361f371b5734e2423bdd9.png)