Pre-Calculus Practice Problem 129

# Pre-Calculus Practice Problem 129 - Because of a breeze the...

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Unit 4, Activity 2, Right Triangles in the Real World Blackline Masters, Advanced Math-Pre-Calculus Page 127 Comprehensive Curriculum, Revised 2008 For each of the problems below Draw a picture and identify the known quantities Set up the problem using the desired trigonometric ratio Give the answer in degrees, minutes, and seconds using significant digits. 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? 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? 3. A 35 meter line is used to tether a pilot balloon.
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Unformatted text preview: Because of a breeze the balloon makes a 75 o angle with the ground. How high is the balloon? 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? 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? 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? Writing activity: Compare an angle of elevation to an angle of depression....
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## This note was uploaded on 10/10/2011 for the course MAC 1147 taught by Professor German during the Fall '08 term at University of Florida.

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