A square lake has a tree at each corner. How can you double the area of the lake ,forming a square lake ? Remember the trees will be on there banks. Share with your friends Share 1 Anuradha Sharma answered this Let the first area of lake having side a = a2Now area is doubles so new area = 2a2So Let the new side = ASo area = 2a2or A2=2a2A=2aSO new side should have side 2 times of first square. -3 View Full Answer