Question:
Roy uses rods of 3 cm to form figures that follow a pattern. The first four figures are shown below.
a) The table below shows the number of rods used for each figure and the perimeter of each figure. Complete the table for Figure 5.
b) What is the perimeter of the figure formed in Figure 40?
c) Roy uses 60 rods to make a figure. What is the figure number?
Solution:
![P6 / CHIJ / 2020 / SA2 Prelims / Paper 1 – Q20 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_CHIJ_Paper1_Q20-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / ACS (Junior) / 2021 / SA2 Prelims / Paper 1 – Q01 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/05/P6_SA2_2021_ACS_Junior_Paper1_Q01-Qns.jpg?resize=400%2C260&ssl=1)