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 / CHIJ / 2020 / SA2 Prelims / Paper 2 – Q08 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_CHIJ_Paper2_Q08-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Nanyang / 2020 / SA2 Prelims / Paper 2 – Q16 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/11/P6_Nanyang_2020_SA2_Paper2_Q16-Qns.jpg?resize=400%2C260&ssl=1)