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 / Maris Stella / 2020 / SA2 Prelims / Paper 1 – Q30 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/12/P6_SA2_2020_Maris_Stella_Paper1_Q30-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Nanyang / 2019 / CA1 / Paper 2 – Q17 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/04/P6_CA1_2019_Nanyang_Paper2_Q17-Qns.jpg?resize=400%2C260&ssl=1)