Oh, c'mon now. Next thing you'll be telling us that a square is a
rhombus, or a trapezoid.
I (somewhat) hate adding to this pedantism, but a square can be
accurately called
- A rectangle with equal-length sides
- A rhombus with 90 degree corners
- A trapezoid that has (the required) two parallel sides, as well as two
more (optionally) parallel sides.[1]
[1] Possibly not, as sometimes, the definition of a trapezoid requires
*exactly* two parallel sides, not *at least* two parallel sides.
Characteristics being sufficient does not mean necessary nor vice
versa.
:-)
-Cory
--
*************************************************************************
* Cory Papenfuss, Ph.D. Electrical Engineering, PPSEL-IA *
* Research Associate, Vibrations and Acoustics Laboratory *
* Mechanical Engineering *
* Virginia Polytechnic Institute and State University *
*************************************************************************
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