SSC Steno Grade C and D 22 Dec 2020 Shift 1 Paper

Suyash starts walking from Point A and goes 130 m towards southeast, Pradeep starts walking from Point B and goes 130 m towards southwest. After walking, these distances, they both meet at Point C, Point D is located in such a way that if points A and B are connected with a Straight line, then D would be the midpoint of that line. The distance between Point C and Point D is 120 m What is the distance between Point A and Point B?