Answer
A$\approx$93.53 cm$^2$
Work Step by Step
P=6s
P=36
a=.5s$\sqrt 3$
a=3$\sqrt 3$
A=$\frac{1}{2}$aP
A=$\frac{1}{2}$(3$\sqrt 3$)(36)
A=54$\sqrt 3$
A$\approx$93.53 cm$^2$
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