A rope is fixed between two trees that are 10 metres apart. When a child hangs on to the centre of the rope, it sags so that the centre is 2 metres below the level of the ends. Find the lenth of the rope.​

A rope is fixed between two trees that are 10 metres apart When a child hangs on to the centre of the rope it sags so that the centre is 2 metres below the leve class=