GAUSS7 2009 Problem 10

Past Contests GAUSS7 GAUSS (GR. 7) - 2009
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1

If the figuregauss7 2009 10q is rotated 180^{\circ} about point F, the result could be

Answer Choices
A. gauss7 2009 10a
B. gauss7 2009 10b
C. gauss7 2009 10c change
D. gauss7 2009 10d
E. gauss7 2009 10e