Pre-Calculus Practice Problem 130

Pre-Calculus Practice Problem 130 - 5.3 degrres 5 From a...

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Unit 4, Activity 2, Right Triangles in the Real World with Answers Blackline Masters, Advanced Math-Pre-Calculus Page 128 Comprehensive Curriculum, Revised 2008 1. A ramp 8.30 meters in length rises to a loading platform that is 1.25 meters off of the ground. What is the angle of elevation of the ramp? 8 o 40’ 2. A television camera in a blimp is focused on a football field with an angle of depression 25 o 48’. A range finder on the blimp determines that the field is 925.0 meters away. How high up is the blimp? 402.6 meters 3. A 35 meter line is used to tether a pilot balloon. Because of a breeze the balloon makes a 75 o angle with the ground. How high is the balloon? 34 meters 4. 4. The levels in a parking garage are 12.5 feet a part, and a ramp from one level to the next level is 135 feet long. What angle does the ramp make with horizontal?
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Unformatted text preview: 5.3 degrres 5. From a point on the North Rim of the Grand Canyon, a surveyor measures an angle of depression of 1 o 02’. The horizontal distance between the two points is estimated to be 11 miles. How many feet is the South Rim below the North Rim? 1048 feet 6. In one minute a plane descending at a constant angle of depression of 12 o 24’ travels 1600 meters along its line of flight. How much altitude has it lost? 343.6 meters Writing activity: Compare an angle of elevation to an angle of depression. Possible answer should include the fact that both angles are made with the horizontal. The angle of elevation is the angle between the horizontal and the line of sight when looking up at the object. The angle of depression is the angle between the horizontal and the line of sight when looking down on an object....
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