A giant pencil, in the shape of a cylinder, has a length of 36 inches and a diameter of 6 inches. On top, it has a cone-shaped tip with a height of 4 inches. What is the volume of the pencil terms of pi?

Respuesta :

r=3
Vcyl.=36(9Ï€)=324Ï€
Vcone=4(9Ï€)=36Ï€
V pencil=324Ï€+36Ï€=360Ï€