Can someone just explain to me how to find “u” Thanks!

Need showing work for this problem 56.25 ×25.80

Agame has a rectangular board with an area of 44 in2. there is a square hole near the top of the game board in which you must not toss in a bean bag. the square has side lengths of 3 in. what is the probability of not tossing the bag through the hole? a)9/44 b)3/9 c)3/44 d)35/44

Which of these figures must be a rectangle?