Question 17
A rectangle ABCD is divided into nine smaller rectangles as shown in the
diagram below. The number written inside a small rectangle denotes its perimeter,
in cm. Notice that the perimeter of one of the small rectangles has an unknown
value, *. If the perimeter of rectangle ABCD is 50 cm, what is the value of the
symbol *? Note that the diagram is not drawn to scale.
diagram below. The number written inside a small rectangle denotes its perimeter,
in cm. Notice that the perimeter of one of the small rectangles has an unknown
value, *. If the perimeter of rectangle ABCD is 50 cm, what is the value of the
symbol *? Note that the diagram is not drawn to scale.