Find the lengths of the cables.
Answer to Problem 11P
The lengths of the cables are about 31.6 m and 40.1 m.
Explanation of Solution
Given:
A vertical pole 20 m tall standing on a
Calculation :
Find the measure of angle ADC , since the pole is at a right angle from the land,
Now, the slope forms a line , so
Using the Cosine Formula to find the third side of
Using the Cosine Formula to find the third side of
So, the lengths of the cables are about 31.6 m and 40.1 m.
Chapter 12 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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