FERMAT 2008 Problem 20

In the diagram, LM is perpendicular to MN. Rectangle WXYZ has W on LM and Z on MN. Also, YZ=1\:m,XY=3\:m and MZ=1.2\:m. What is the distance from X to line MN, to the nearest hundredth of a metre?

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Answer Choices
A. 2.75\:m
B. 3.67\:m
C. 3.15\:m
D. 3.26\:m
E. 3.63\:m