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Concept explainers
Finding the Length of a Ski Lift Consult the figure. To find the length of the span of a proposed ski lift from to , a surveyor measures to be and then walks back a distance of 1000 feet to and measures to be . What is the distance from to ?
![Check Mark](/static/check-mark.png)
To find: The Length of a ski lift (distance between to ).
Answer to Problem 39AYU
Solution:
feet
Explanation of Solution
Given:
To find the length of the span of a proposed ski lift from to , a surveyor measures to be and then walks back a distance of 1000 feet to and measures to be
Formula used:
Calculation:
We can use the sine rule for the above information
= = (, and are from the figure)
So the third angle which is is
=
r =
feets
and =
=
feets
the distance from to is feets
Chapter 8 Solutions
Precalculus
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