Question:
The figure is drawn on a rectangular piece of paper 30 cm by 40 cm as shown below. Its outline consists of 4 identical quarter circles and 5 straight lines.
(a) Find the perimeter of the shaded figure.
(b) Find the area of the shaded figure. (Take π = 3.14)
Solution:
![P6 / Methodist Girls / 2021 / SA2 / Paper 1 – Q09 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/06/P6_SA2_2021_Methodist_Girls_Paper1_Q09-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / CHIJ / 2019 / SA1 / Paper 2 – Q06 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/04/P6_CHIJ_2019_SA1_Paper2_Q06-Qns.jpg?resize=400%2C260&ssl=1)