P6 / Temasek / 2019 / SA2 Prelims / Paper 2 – Q01 [2 marks]

Question:

James had a piece of wire 17b cm long. He formed a triangle with sides measuring b cm, 3b cm and 20 cm with part of the wire. He used the remaining piece of wire to form a rectangle of length 3b cm.
If b = 8, what was the breadth of the rectangle?

Solution: