Why isn't it D for this PAT problem?

[fellowstudent92]

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Bootcamp PAT #51 of the practice set. the solution says that D is too thin but I actually thought E was too wide.

Also, I keep narrowing it down to 2 choices and then pick the wrong one at the end. Any tips?

 

[tooth knockn]

Why not choice A

?

 

[fellowstudent92]

It can't be A because of that little cube which should cause that second step that is missing in choice A. That second "step" is in choice E. It's coming from the little cube.

 

[fellowstudent92]

lol why not D though?

 

[tooth knockn]

No way choice D

Due to size ratio

 

[fellowstudent92]

I think the size is perfect. What am I not seeing here? Here I uploaded another file with the colored in rectangle and the corresponding parts in the original picture. Does that not look the same size to you?

 

[tooth knockn]

Size is not good.

The thickness of the thin flat structure is approx. 3x thinner than the thicker flat structure with the protruding cube structure.

 

[fellowstudent92]

^Oh wow did not notice that. Great eye! Thanks.