The Elizabethan collar, sometimes referred to as the "cone of shame", is one solution to the problem of pets trying to lick injured areas after a medical procedure. The shape is called a truncated cone because it is a cone whose apex has been truncated (removed). A typical Elizabethan collar is made of plastic and is attached to the pet 's collar. 

If the dimensions of an Elizabethan collar are as shown in the diagram, find the area of plastic required to make it. Round the answer to nearest tenth. (Use, $\mathrm{\pi }=3.14$)