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.
James Watt, in 1781, patented steam engine that produced continued rotary motion and the power about 10 hp. It was the first type of steam engine to make use of steam at a pressure just above atmospheric to drive the piston helped by a partial vacuum.