Question:
A wheel is leaned against the wall. It makes 5 complete revolutions starting from point A and stops at point B when it touches the wall on the other side. The radius of the wheel is 7 cm. Find the distance between the two walls. Leave your answer in π.
Solution:
![P6 / Maha Bodhi / 2019 / SA2 / Paper 2 – Q09 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/06/P6_Maha_Bodhi_2019_Prelims_Paper2_Q09-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Ai Tong / 2019 / SA2 / Paper 2 – Q11 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/06/P6_Ai_Tong_2019_Prelims_Paper2_Q11-Qns.jpg?resize=400%2C260&ssl=1)