1. A surveyor measures a triangular plot of land. 72.8 yd. 20 80.5 yd. a) Determine the length of side I. b) Determine the measure of ZN using the Cosine Law. c) Could you have used the Sine Law in part b? Explain.

K An aircraft going from Atlanta to Savannah on a heading of 126° (from north) is travelling at a speed of 510 miles per hour. The wind is out of the north at a speed of 24 miles per hour. Find the actual speed and direction of the aircraft to the nearest mile per hour and degree. OA. 712 miles per hour; 128° from north OB. 497 miles per hour; 128° from north OC. 504 miles per hour; 128° from north OD. 523 miles per hour; 128° from north …….

A tow truck drags a stalled car along a road. The chain makes an angle of 30° with the road and the tension in the chain is 1800 N. How much work is done by the truck in pulling the car 1 km? J