October's "Problem of the Month"

College Calculus

Student's Name:  __________________________________________

Date Due:  Tuesday October 31, 2017 (Turn in by October 26 if you want it counted on the 1st Marking Period.)
Remember: You must submit your solution on THIS printed page.


Directions:
The rectangle shown in the diagram below has width 15 and length 20.  Find x, the length of the segment perpendicular to the diagonal.
You must show all supporting work.