Feroze goes for a jog every morning starting from a stadium and ending at the sea front. First, he jogs 3 km straight towards West, then turns to his right and runs 6 km. Then turning to his left, he runs a distance of 5 km to reach the sea front. What is the shortest distance (shortcut) between the sea front and the stadium?
1
4 km
2
7.5 km
3
10 km
4
8 km