Question:
The figure below shows a rectangular field with a perimeter of 48 m. A footpath cuts through the field as shown below. The footpath is tiled with 15 identical circular concrete tiles. Each tile is in contact with the ones next to it.
(a) What is the diameter of each concrete circular tile?
(b) Find the area of the grass patch not covered by the footpath.
Solution:
![P6 / ACS / 2020 / SA2 Prelims / Paper 1 – Q18 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/05/P6_SA2_2020_ACS_Paper1_Q18-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / CHIJ / 2019 / CA1 – Q14 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/03/P6_CHIJ_2019_CA1_Q14-Qns.jpg?resize=400%2C260&ssl=1)