Answer:
4500
Step-by-step explanation:
4 sides i think
here this should help you understand.
https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratic-functions-equations/x2f8bb11595b61c86:completing-square-quadratics/v/completing-the-square-to-solve-quadratic-equations
Answer: 1/6th
Step-by-step explanation:idk fr