If the side of a square is increased by 25%, then its area is increased by_________?
Q1. If the side of a square is increased by 25%, then its area is increased by_________?
Answer: 56.25%
Explanation: New side = 1.25s, new area = 1.5625s²; percentage increase = (1.5625 − 1) × 100 = 56.25%.