Question:
A figure is drawn on a square piece of paper with length 40 cm as shown below. Its outline consists of 2 identical large quarter circles, 1 smaller quarter circle, 1 semicircle and 3 straight lines. The length of AB is 4 cm.
(a) What is the area of the figure?
(b) What is its perimeter?
(Take π = 3.14)
Solution:
![P6 / ACS / 2019 / CA1 – Q03 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/01/P6_ACS_2019_CA1_Q03-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Henry Park / 2021 / SA2 / Paper 1 –
Q25 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/06/P6_SA2_2021_Henry_Park_Paper1_Q25-Qns.jpg?resize=400%2C260&ssl=1)