Simple Constraint Equation Question

[getcarter]

Homework Statement

Could you write the constraint equation for this system by using the only coordinates given in the question. (x1 and y1 for the center of mass m and X is the x coordinate of wedge)

[PLAIN]http://img602.imageshack.us/img602/34/imagea.jpg
[PLAIN]http://img837.imageshack.us/img837/5850/42434333.jpg

Homework Equations

there aren't any relevant equation because i need equation

The Attempt at a Solution

None.

 

[getcarter]

could you help please