The cheerleaders designed a banner for the homecoming game. It has 3 congruent circles glued on a rectangular length of poster board. The circles touch the edges of the paper and do not overlap.

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If the poster is 36 inches long, what is the area of one circle?

a
37.68 in2
b
113.04in2
c
452.16 in2
d
18.84 in2