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 / Nanyang / 2019 / SA2 / Paper 2 – Q07 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/07/P6_Nanyang_2019_Prelims_Paper2_Q07-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Henry Park / 2020 / SA2 Prelims / Paper 1 – Q06 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_Henry_Park_Paper1_Q06-Qns.jpg?resize=400%2C260&ssl=1)