Changing perimeter
This task is about perimeter and area of shapes.
A farmer plants 11 square plots with seedlings for hedges. Each plot has at least one side in common with another plot. The farmer wants to protect the seedlings with a deerproof fence, right around the perimeter of the 11 plots. 
a) 
Draw 3 different arrangements for the 11 plots in the box below. One is already drawn for you, draw 3 more. 


b) 
Draw an arrangement that has the shortest possible perimeter in the box below. 



c) 
Draw an arrangement that has the longest possible perimeter in the box below. 

