Volume of cream

This task is about working out the area and volume of a carton.
Volume = area of cross section × length

 

Here are two views of a carton of cream.
 
a) Calculate the area of the vertical cross section (show your working).

 

 

 

 

The area = __________ cm2

 

b) Calculate the volume of the cream carton (show your working).

 

 

 

The volume = __________ cm3

 

c) Calculate the volume of air in the carton when it has 300 ml of cream in it (show your working).

 

 

 

 

The volume of air = __________ cm3