Urawa Red Diamonds 19 December 2018." The following players have represented their country at the World Cup whilst playing for Urawa Red Diamonds: World Cup 1998 World Cup 2006 World Cup 2010 World Cup 2014 World Cup 2018 Excepting two seasons in which they were in the second tier, Mitsubishi/Urawa has always competed in the top flight, thereby being the club with the most top flight seasons total. Urawa Red Diamonds , colloquially Urawa Reds, are a professional association football club playing in Japan's football league, J1 League. The name Red Diamonds alludes to the club's pre-professional era parent company Mitsubishi. The corporation's
Sum of angles of a triangle Sum of angles of a triangle In several geometries, a triangle has three "vertices" and three "sides", where three angles of a triangle are formed at each vertex by a pair of adjacent sides. In a Euclidean space, the sum of measures of these three angles of any triangle is invariably equal to the straight angle, also expressed as 180 °, radians, two right angles, or a half-turn. It was unknown for a long time whether other geometries exist, where this sum is different. The influence of this problem on mathematics was particularly strong during the 19th century. Ultimately, the