Question:
The figure is made up of a big semicircle of radius 30 cm. 2 circles and 3 semicircles of equal radius are drawn in the big semicircle.
(a) What is the radius of the circle?
(b) What is the area of the shaded parts? Take π = 3.14.
Round your answer correct to 1 decimal place.
Solution:
![P6 / Henry Park / 2021 / SA2 / Paper 1 –
Q20 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/06/P6_SA2_2021_Henry_Park_Paper1_Q20-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Red Swastika / 2020 / SA2 Prelims / Paper 2 – Q16 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/11/P6_Red_Swastika_2020_SA2_Paper2_Q16-Qns.jpg?resize=400%2C260&ssl=1)