FTP, identify this 1st century AD native of Alexandria, who, in his treatise Metrica, proves a formula for finding the area of a triangle in terms of its sides.
The work containing this man's most important mathematical result was discovered in 1896. One of his devices, a "magic horse," describes an automaton simulating a horse that drinks after being decapitated. Other devices listed in his Pneumatica include a fountain, and a double forcing-pump for a fire engine. FTP, identify this 1st century AD native of Alexandria, who, in his treatise Metrica, proves a formula for finding the area of a triangle in terms of its sides.
The work containing this man's most important mathematical result was discovered in 1896.
Hero or Heron of Alexandria