Key Quiz 1.2
Key Quiz 1.2
(See related pages)

 1 Julia is standing in her treehouse, 12.5 ft above the ground. She sees a squirrel at an angle of depression of 29°. To the nearest foot, how far away is Julia away the squirrel? A) 6 ft B) 14 ft C) 23 ft D) 26 ft 2 Eric and Nerissa are standing on opposite sides of a billboard as shown: (22.0K) How far away (to the nearest metre) is Nerissa from the billboard? A) 86 m B) 71 m C) 33 m D) 28 m 3 A safety ladder is 15 m long. The instructions that come with the ladder say that the maximum angle it can safely make with the ground is 65°. What is the maximum height (to the nearest tenth of a metre) the ladder can reach safely? A) 32.2 m B) 15 m C) 13.6 m D) 6.3 m 4 A statue casts a shadow 11 ft long when the sun’s rays make an angle of 42° with the ground. How tall is the statue to the nearest hundredth of a metre? A) 7.36 ft B) 8.17 ft C) 9.90 ft D) 10.5 ft 5 Two apartment buildings are 75 m apart. From the top of the shorter building you find the angle of elevation to the taller building is 40° and the angle of depression to the bottom is 31°. What is the height of the taller building, to the nearest metre? A) 108 m B) 63 m C) 48 m D) 45 m