Question:
The figure below is made up of 1 big semi-circle and 4 smaller identical semi-circles. O is the centre of the big semi-circle. XY is 84 m.
(a) Find the perimeter of the shaded part.
(b) Find the area of the shaded part.
(Take π = 22/7)
Solution:
![P6 / Methodist Girls / 2019 / SA1 / Paper 2 – Q05 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/05/P6_Methodist_2019_SA1_Paper2_Q05-Qns.jpg?resize=400%2C240&ssl=1)
![P6 / Methodist Girls / 2019 / SA2 / Paper 2 – Q04 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/07/P6_MGS_2019_Prelims_Paper2_Q04-Qns.jpg?resize=400%2C260&ssl=1)