Question:
A piece of wire was bent to form the following figure which was made up of 2 circles. The diameter of the big circle to the diameter of the small circle is in the ratio of 2 : 1. There was 4 cm of the wire left after making the figure. Find the total length of the wire. (Take π = 22/7)
Solution:
![P6 / Catholic High / 2021 / SA2 / Paper 2
– Q07 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/05/P6_SA2_2021_Catholic_High_Paper2_Q07-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / ACS / 2018 / SA1 / Paper 1 – Q07 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/04/P6_SA1_2018_ACS_Paper1_Q07-Qns.jpg?resize=400%2C260&ssl=1)