Question:
The figure below is made up of two semi-circles and two isosceles triangles. The diameter of the smaller semi-circle is 10 cm while the diameter of the bigger semi-circle is 15 cm.
Taking π = 3.14, find the area of the shaded part.
Solution:
![P6 / Methodist Girls / 2019 / SA2 / Paper 2 – Q13 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/07/P6_MGS_2019_Prelims_Paper2_Q13-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Red Swastika / 2020 / SA2 Prelims / Paper 2 – Q10 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/11/P6_Red_Swastika_2020_SA2_Paper2_Q10-Qns.jpg?resize=400%2C260&ssl=1)