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:

    Most revolutionaries are potential Tories, because they imagine that everything can be put right by altering the shape of society; once that change is effected, as it sometimes is, they see no need for any other.
    George Orwell (1903–1950)