1) Park ranger at point A sees the fire in direction N 27o44' E. Another ranger at point B, 8 miles due east of A, sites the same fire at N 52o43' W. Find distance from point B to fire.
2) The straight road makes the angle, A, of 11o with horizontal. When angle of elevation, B, of sun is 57o, a vertical pole beside road casts the shadow 7 feet long parallel to road. Find length of pole.
3) The triangular parcel of land has sides of lengths 550, 760 and 800 feet. Find area of the land.
4) Two ocean liners leave from same port in Puerto Rico at 10:00 a.m. One travels at the bearing of N 51o W at 13 miles per hour, and other travels at the bearing of S 58o W at 15 miles per hour. Find distance between them at noon same day.