1. A 10-meter utility pole casts a 17-meter shadow directly down a slope when the angle of elevation of the sun is 42° (see figure). Find θ, the angle of elevation of the ground.

2. A plane flies 500 kilometers with a bearing of 316° from Naples to Elgin (see figure). The plane then flies 720 kilometers from Elgin to Canton (Canton is due west of Naples). Find the bearing of the flight from Elgin to Canton.

Transcribed Image Text:

10 m 42° 42° -0 0 17 m B. Elgin W -0- E 720 km 500 km 44° Canton Naples Not drawn to scale