• # question_answer 9) Find the side of the square whose perimeter is 20 m.

Given, the perimeter of a square = 20 m $\therefore$ Perimeter of a square $=4\times$length of a side We know that a square has 4 equal. So, we can divide given perimeter by 4 to get the side of a square. $\therefore$ One side 01 the square $=\frac{\text{Perimeter of a square}}{4}=\frac{20}{4}m=5m$ Hence, the side of a square is 5 m.