Construct an AVL Tree by Inserting Nodes 20,10,40,50,90,30,60,70

Construct an AVL Tree by Inserting Nodes 20,10,40,50,90,30,60,70 - Page 1
Construct an AVL Tree by Inserting Nodes 20,10,40,50,90,30,60,70 - Page 2
Construct an AVL Tree by Inserting Nodes 20,10,40,50,90,30,60,70 - Page 3