Answer:
Area of the self will be 

Explanation:
We have given that self is 4 feet wide and 
 feet deep
 feet deep 
So length pf the shelf l = 
 feet
 feet 
And width = 4 feet 
We have to find the area of the self 
We know that area is given by 
Area = length × width
So area of the self will be 
