Equable Shape

A two-dimensional equable shape (or perfect shape) is one whose area is numerically equal to its perimeter. For example, a right angled triangle with sides 5, 12 and 13 has area and perimeter both equal to 30 units.

Read more about Equable Shape:  Scaling and Units, Cyclic Polygons, Integer Dimensions, Equable Solids

Famous quotes containing the word shape:

    his fear of the word “veil”;
    and in the shape of a ship,
    still another who slept.
    —Joáo Cabral De Melo Neto (b. 1920)