Rotor blade design problem for turbomachine

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Aerstz
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Homework Statement



Determine the camber angle of a rotor blade for an axial flow turbomachine.

Homework Equations



Beta1 - Beta2 = Camber angle (theta)

The Attempt at a Solution



http://img517.imageshack.us/img517/2965/blade.jpg


If the camber angle is equal to beta1 minus beta2 then it should be zero degrees unless minus angle(s) are used?

Have I put the various angles in their proper positions in the diagram?

Thank you for any help.
 
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I think perhaps I have not explained my problem adequately.

Taking the circular camber line (representing the centre of a turbomachinery blade in profile), have I drawn the inlet and exit blade angles properly; are they both 45 degrees (for a circular curve) and is the camber angle, ion this case, 90 degrees?