A ballroom has a square dance floor. The area of the floor is 400 square feet. If the length of each side of the square increased by one foot, would its area be a rational number?
Choose all that apply.
Answers:

A. - The area of the floor would be a rational number.

B. - The area of the floor would be an irrational number.

C. - Each side length would be a perfect square.

D. - The area of the floor would be a perfect square.

E. - The area of the floor would be a nonterminating, nonrepeating decimal.