Q17) Avneet buys 9 square paving slabs, each with a side \frac{1}{2} m. He lays them in the form of a square

(a)What is the perimeter of his arrangement?

(b)Shari does not like his arrangement. She gets him to lay them out like a cross. What is the perimeter of her arrangement?

(c)Which has a greater perimeter?

(d)Avneet wonders, if there is a way of getting an even greater perimeter. Can you find a way of doing this? (The paving slabs must meet along complete edges, i.e., they cannot be broken.)