Vectors word problem?

Two survey teams leave the same camp. One heads on the bearing N23degreesW and the other - on the bearing S87degreesE. The first team ends up 73km from the base camp and the second team -- 56km away. What is the straight line distance between the teams? What is the bearing from the second team to the first? If they head toward each other and meet, what is the area of the triangular region that their paths enclose?