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Subj:.....Cutting Two Equal Pieces (S625)
          From the book 
            "Mathematical Puzzles of Sam Loyd" 
          Edited by Martin Gardner 
          From: Dover Publications in 1959
 

How would you cut this gingerbread dog's
head into two pieces of the same shape? 

Here is a practical problem in simple division calculated to
baffle some of our puzzlists.  You see, Toodles has received
the present of a gingerbread dog's head and is told that she
must divide it evenly with her little brother.  In her anxiety
to be fair and equitable in the matter, she wishes to discover
some way to divide the cake into two pieces of equal shape and
size.

How many of our clever puzzlists can come to her assistance by
showing how the dog's head may be divided?

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