Nantoka/둔각dungak둔각 (dungak) is a Korean word meaning “obtuse angle”.Meanings1obtuse anglePart of speechnounHanja鈍角Related words시각viewpoint둔하다dull총각bachelor두각excellence각edge각도angle정사각형square직사각형rectangle노총각old bachelor사각지대blind spot사각형quadrangle삼각형triangleStudy Korean with flashcards →