Problem solving
5 A square and a rectangle have the same area. The length of the rectangle is
5 cm more than twice the length of the side of the square. The width of the
rectangle is 6 cm less than the side of the square. Find the length of the side
of the square
6 Find the lengths of the sides of this triangle.
7 A pole leans against a vertical wall. The top of the pole touches the wall at a
height of 15 m. The length of the pole is 1 m more than twice its distance from
the wall. Find the distance from the wall to the bottom of the pole.