Question:
A square piece of paper of side 64 cm has a design on it. The design is made by a 3 cm wide shaded strip. The outline of the design is made up of quarter circles with the center C and straight lines. All straight lines meet at right angles. Find the area of the shaded part. (Take π = 3.14)
Solution:
![P6 / ACS / 2018 / SA1 / Paper 1 – Q18 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/04/P6_SA1_2018_ACS_Paper1_Q18-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Henry Park / 2020 / SA2 Prelims / Paper 1 – Q22 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_Henry_Park_Paper1_Q22-Qns.jpg?resize=400%2C260&ssl=1)