Answer:
25%
Explanation:
Piece 1 = x + y > 1 - x - y
Piece 2 = x + (1 - x - y) > y
Piece 3 = y + (1 - x - y > x
Not going to lie, I had to look up how to calculate the probability of this lol
Hopefully this is right and you do well!
If it is follow my gram Greyhasnoshame