Aballroom 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 each statement that is true about the new dance floor. 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.