.
A square mirror is framed with stained glass as shown. Each corner of the frame began as a square with a side length
of d inches before it was cut to fit the mirror. The mirror has a side length of 3 inches. The area of the stained glass
frame is 91 square inches.
~~~~~~~~~~~~~~~~~
What is your question, by the way ? And where is it ?
--------------
For your info:
A question is indispensable part of each Math problem.
Each Math problem must have a question.
Without a question, the text/(the post) can not be considered as a Math problem.
Without a question, what you may think is a Math problem, is really a FAKE.
It is as clear as 2x2 = 4.
-----------------
Even if to forget about the question, wording of the problem is totally unclear.
In this form / (in such a form) it can not be considered as a Math problem, with no any doubts.
In this form, it is good ONLY for re-cycling.