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 idea of steam engine was introduced in the first century by a Greek mathematician known as âHero of Alexandriaâ. Elementary steam engines were developed from sixteenth century onwards. Thomas Savery developed the first water pump powered by steam and this is considered as the first steam engine of the modern form.