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

Other articles related to "equable shape, shape, equable, equable shapes":

Equable Shape - Equable Solids
... In three dimensions, a shape is equable when its surface area is numerically equal to its volume ... As with equable shapes in two dimensions, you may find an equable solid, in which the volume is numerically equal to the surface area, by scaling any solid by an appropriate factor ...

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