Question:
A pattern is set into a big square ABCD shown below. The pattern is made up of identical quadrants of 2 different sizes. Two small squares of side 2 m are used to connect all the quadrants.
(a) What is the perimeter of the big square ABCD?
(b) Find the area of the unshaded parts.
Take π = 3.14
Solution:
![P6 / Nan Hua / 2021 / SA2 /
Paper 2 – Q09 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/08/P6_SA2_2021_Nan_Hua_Paper2_Q09-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Henry Park / 2019 / SA2 / Paper 2 – Q01 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/06/P6_Henry_Park_2019_Prelims_Paper2_Q01-Qns.jpg?resize=400%2C260&ssl=1)