An equation to find the dimensions of his backyard is 116 divided by 4
that makes his backyard 29 feet on each side if his backyard is a perfect square.
No, his backyard is not big enough for a pool that is 900 feet.
if you multiply 29x29 (to find the area of his back yard), the area is 841 feet, which makes his backyard too small for a pool that big