Question:
Two square tiles of equal sides are shown below. Some parts of the tiles are painted in the shape of identical quarter circles.
A floor is laid with the tiles that follow a pattern as shown below. The floor measure 5.2 m in length and 3.6 m in breadth and is completely covered with the tiles.
Find the area of the floor that is covered by the painted parts of the tiles.
(Take π = 22/7)
Solution:
![P6 / Catholic High / 2021 / SA2 / Paper 2
– Q11 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/05/P6_SA2_2021_Catholic_High_Paper2_Q11-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Henry Park / 2020 / SA2 Prelims / Paper 2 – Q15 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/09/P6_Henry_Park_2020_SA2_Paper2_Q15_A-Qns.jpg?resize=400%2C260&ssl=1)
Where did you get 0.2 from?
Hi! 0.2 is actually 0.2m or 20cm, the length of the tile.