Solving the average shear and normal forces

[ptguard1]

Homework Statement

View image below

Homework Equations

The Attempt at a Solution

I don't understand where the normal and shear forces are applied. Are there one of each on both inclined planes or is there just one normal force and one shear force? If you could provide a drawing I would really appreciate it.

 

[nvn]

Are there one of each on both inclined planes?

Yes.