P6 Math: Finding Perimeter of Rectangle without Length or Breadth given

Many P6 questions in Prelim were derived from the Math Olympiad.

One of such question requires student to know what is the perimeter of a rectangle when neither the length or breadth of the rectangle was given.

Such questions usually appear in Paper 1.
Calculator usage is not allowed.


The question below will randomize with different numbers every hour. 
Copy below question down before making attempt.