One significant indication that the European feudal system was effective was that "<span>Similar systems developed in China and Japan" although it should be noted that this isn't enough evidence to prove that it was economically successful.</span>
The 1998 gold rush because of the name
The angular measurement is half the angle in the center, so we deduce the angle BAC equals half the angle in the center. Which mean BAC = 1/2 BOC => BAC = 52/2 = 26°.
