In the figure above, a square pool is bordered by a garden in the shape of a right triangle. Segments of a straight pathway line the short edge of the garden that one of the sides of the pool. if the area of the pool is 900 square feet, what is the total distance a person will have to walk on the pathway from point A at the corner of the garden to point B at the corner of the pool.
a) 337.5 feet
b) 225 feet
c) 127.5 feet
d) 45 feet