the ancient greeks, the system was probably designed by more than one person
A protractor.
A regular hexagon has 6 equal interior obtuse angles each measuring 120 degrees
A triangle has three angles, not "angels." The sum of the angles will equal one hundred eighty degree. An equilateral triangle has three equal angles all measuring sixty degrees.
The inventor is not known.
There was no individual inventor.
A protractor.
A simple answer is impossible: it is a brochure ! Read a book of metrology.
The inventor is assumed to be the German engineer Dietrich Uhlhorn; he used it for measuring the speed of machines in 1817.
A regular hexagon has 6 equal interior obtuse angles each measuring 120 degrees
All 4 angles of a rectangle are congruent each measuring 90 degrees
360 - (60 + 45 + 100) = 155
A triangle has three angles, not "angels." The sum of the angles will equal one hundred eighty degree. An equilateral triangle has three equal angles all measuring sixty degrees.
The inventor of the stopwatch was Samuel Watson. He invented the stopwatch in 1695. Samuel was a clock and watch maker.
It is the measuring instrument it is invented by verniers its error is very small
G.D. Johnson and E.S. Murdock are credited with inventing the K-type thermometer in 1954 for measuring high temperatures, especially in industrial settings.
who is the inventor
Inventor