On a centimeter dot array, draw all possible rectangles with a perimeter of 16cm and sides whose lengths are whole centimeters. Label the lengths of two adjacent sides of each. Also the area of each rectangle. Compare the shapes of the rectangles with the least and greatest areas.

Answer 1

greatest area: 4x4
least area: 1x7

Answer 2

16

Answer 3

Rectangles of Two adjacent sides