The two shapes at right are similar.  

1. Find the value of $x$. Show all work.

   Hint (a):

   Set up a proportion to find the value of $x$.

2. Find the area of each shape.

   Hint (b):

   Divide each shape into smaller, easier shapes to find the area.

   

   Answer (b):

   area of smaller figure: $56\text{ units}^²$
   area of larger figure: $350\text{ units}^²$