To wash a window that is 15 feet off the ground, Daniel leans a 17-foot ladder against the side of the building. To reach the window, he leans the base of the ladder 8 feet away from the building. Did he place the base right to reach the window?
To wash a window that is 15 feet off the ground, Daniel leans a 17-foot ladder against the side of the building. To reach the window, he leans the base of the ladder 8 feet away from the building. Did he place the base right to reach the window?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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To wash a window that is 15 feet off the ground, Daniel leans a 17-foot ladder against the side of the building. To reach the window, he leans the base of the ladder 8 feet away from the building. Did he place the base right to reach the window?
Expert Solution
Step 1
Given that, the window is 15 feet off the ground and the length of the ladder is 17 foot.
The current situation can be represents as shown below.
From the above figure, by the Pythagoras theorem .
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