Answer:
To land at a location just north of 60° north latitude and 25° east longitude, the plane would've had to cross the Baltic Sea.
Step-by-step explanation:
- A combined representation of latitudinal and longitudinal coordinates is the point where the respective latitude and the longitude intersect each other.
- The coordinates 60° north latitude and 25° east longitude that are mentioned in the question intersect in the Baltic Sea, right below the city of Helsinki in Finland.