please solve this sum for me---

an aeroplane sets off from G on a bearing of 024 degrees towards H a point 250 km away .At H it changes course and heads towards J on a bearing of 055 degrees and a distance of 180 km away.

1)How far is H to the north of G.

2)How far is H to the east of G.

3)How far is J to the north of H.

4)How far is J to the east of H.

5)What is the shortest distance between G and J.

6)What is the bearing of G from J.