Tofind:the distance that he moves the boat.
Answer to Problem 12P
Explanation of Solution
Given:
The height of the dock from the water surface is
Gary is pulling the boat on the dock from the rope of length is
Calculation:
According to the question, Garypulls the rope of the boat is
Now, draw the sketch of the above condition:
Now, from Pythagoras theorem,
Therefore, the length of each diagonal of the rectangular box is
Thus, the distance that he moves the boat is
Hence, the distance that he moves the boatis
Chapter 11 Solutions
Algebra: Structure And Method, Book 1
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