Question 30
Adam has n straight wooden sticks of lengths 1 cm, 2 cm, 3 cm, 4 cm, 5 cm, …, n cm. When n=7, Adam can arrange the sticks into a square as shown. For which of the following values can the sticks be arranged into a square in this way?
Editorial clarification: The solution interprets “the sticks” as using every stick exactly once, without cutting any stick.
Editorial clarification: The solution interprets “the sticks” as using every stick exactly once, without cutting any stick.