1. Find AC. 45 d. 4 A a. C. b. 60° 8. 30 B. 00

A lamppost, CAB, bent at point A after a storm. The tip of the lamppost touched the ground at point C, as shown below. B 20 feet What is the height, in feet, of the portion AB of the lamppost? 20 tan55 O 20 cos 55° 20 tan 55° 20 cos 55

10 From a resting place, a bushwalker hikes due north for 1.5 km to a waterhole and then on a bearing of 315° for 2 km to base camp. a Find how far west the base camp is from the waterhole, to the nearest metre. b Find how far north the base camp is from the waterhole, to the nearest metre. C Find how far north the base camp is from the initial resting place, to the nearest metre.

Fill in the missing blanks.