HW Exercise 11H Find the missing side lengths. 2 Find o: 1XJ123 922 (12] ()Is. 21. 85= 10, 4241932 16,41 1hishelp leaves port at 2pm traveling north at a speed of 30 kmb . At 4pm, the ship 0 = 173 adjusts its course 209 to the east. How far, 12 on 10.4 cm 18 cm to the nearest km, is the ship from the port 1 = 1.61 at 5pm? 5 Joon stands between two buildings of different heights. He is 46 m away from 21.9 cm the building on his left, and the angle of X 2 = (9715# 210) 120 ) 150 = 1010 elevation to the top of the building is 33" The building on his right is 28 m away. with 3.1 cm an angle of elevation of 17" to the top of X = 74 . 8.6 cm the building. 21. Im and 7.50m 28 cm Find the heights of the two buildings 3.7 cm Find the distance from the top of one 1 12. building to the top of the other. 0= 1590 77.0m 15 cm X2 51435273- 2(14 ) 121 0 1 18 cm $5 cm X= 24 55 cm 23. 9 46 m 5 cm 0 = 34.9 22 m 5 A lighthouse keeper spots a yacht 15 km 14 m away on bearing 070". There is also 3 cm a rock 9 km from the lighthouse on a 80 bearing of 210". How far is the yacht from * 2 92 + 1052 219 ( 1) 1066 the rock? 22. Gm 5 om 10. 4 The lengths of the three sides of a triangle x = 10.9 are 6 cm, 9 cm and 12 cm. 29.0 15km 9 m 10 m a Find the measure of the smallest angle in the triangle. 24. 2 em 66 b Find the area of the triangle. 9km