i.
To find: Drawing of diagram that represents this situation.
Diagram of the given situation is drawn.
Given: Height of man from base is 11200 feet. Angle of elevation to a ridge above him is
Concept Used: Angle of elevation
Calculation: Drawing a diagram on the basis of given information:
Here, from the figure:
distance between the ridge and him is
Angle of elevation is
Conclusion:
Hence, Angle of elevation is
ii.
To find: The altitude of ridge.
Height of the ridge is 3100.0572 feet
Given: Height of man from base is 11200 feet. Angle of elevation to a ridge above him is
Concept Used:
Trigonometric ratios:
Calculation:
Conclusion:
From the figure:
Distance between the ridge and him is
Angle of elevation is
Using trigonometric ratio:
Chapter 9 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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