Ayudenme, por favor, Un barco viaja 100 km hacia el norte en el primer día de su viaje, 60 km hacía el Noreste en el segundo día y 120 km en el tercer día de viaje. Encontrar el desplazamiento total realizado por el Barco.

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.