a shaded polygon

Question

a shaded polygon which has equal
sides and equal angles is partially covered with a sheet
of blank paper. If x+y=80 how many sides does
the polygon have?

Answer 1

I found this question referenced from a released SAT test from 2010 (see below).

 

11-21-2010 at 4:44 pm edited November 2010 in SAT and ACT Tests & Test Preparation
ok so there is this one problem that I really don't get. (i searched everywhere, even on khan and cc but no luck)
its section 2 problem number 17.
it says
In the figure above, a shaded polygon which has equal sides and equal angles is partially covered with a sheet of blank of blank paper. If x+y=80, how many sides does the polygon have.
(A)Ten
(B)Nine
(C)Eight
(D)Seven
(E)Six

 

There needs to be a figure to go with the problem. Please provide the figure with your question!

Answer 2

Raushan, Phillip R. is right.  There is not enough information to answer this question.  Perhaps you left part of it out?