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 / Singapore Chinese Girls / 2019 / SA1 / Paper 2 – Q14 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/05/P6_Singapore_Chinese_Girls_2019_SA1_Paper2_Q14-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Singapore Chinese Girls / 2019 / SA1 / Paper 2 – Q01 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/05/P6_Singapore_Chinese_Girls_2019_SA1_Paper2_Q01-Qns.jpg?resize=400%2C232&ssl=1)