Hydrogentaion of Arene: Why Double Bond Not Broken?

[somecelxis]

Homework Statement

why the the double bond in phenyl in not broken , why the 2 H atoms are not added to the double bond in cyclic sturcture

Homework Equations

The Attempt at a Solution

 

[Borek]

I don't see a phenyl here.

 

[somecelxis]

I don't see a phenyl here.

sorry , it's nt phneyl but cyclobutene

 

[Borek]

Not a cyclobutene either.

 

[somecelxis]

Not a cyclobutene either.

the correct structure is here. why the c= c double bond in the cyclic structure isn't broken?