Question:
Gabriel had a piece of wire 150 cm long. He used part of the wire to make a figure show below.
(a) Express the length of remaining wire in terms of w in the simplest form.
(b) Gabriel used the remaining wire to form an equilateral triangle. If w = 6, find the length of one side of the equilateral triangle.
Solution:
![P6 / ACS / 2019 / SA1 / Paper 2 – Q12 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/03/P6_ACS_2019_SA1_Paper2_Q12-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Henry Park / 2021 / SA2 / Paper 2 –
Q13 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/06/P6_SA2_2021_Henry_Park_Paper2_Q13-Qns.jpg?resize=400%2C260&ssl=1)