A: A rhombus is an equilateral parallelogram, which is a two-dimensional, four-sided figure in which opposite sides are parallel and all sides have equal length. A square fits this definition. However, it is usually considered a special case, and some definitions of a rhombus specify that squares are not included.
Who invented a piston-driven steam engine that could power all kinds of industrial machinery? A. Edmund Cartwright B. James Hargreaves C. James Watt D. Richard Arkwright. JAMES WATT invented a piston-driven steam engine that could power all kinds of industrial machinery.
The Greek inventor Hero invented a steam turbine, the aeliopile, sometime around 40 or 50 AD. Thomas Newcomen (1664-1729) was the English inventor (1712) of a practical piston steam engine, initially used to pump water from mines.