Using the formula
Area(A)=3×a2Area(A)=\sqrt3\times a^2Area(A)=3×a2
where aaa is the length of the side and making aaa the subject of the formula, we obtain:
a=13×334×Aa=\frac{1}{3}\times3^{\frac{3}{4}}\times\sqrt Aa=31×343×A
Substituting for A,
a=13×334×110.85a=\frac{1}{3}\times3^{\frac{3}{4}}\times\sqrt{ 110.85}a=31×343×110.85
therefore:
a=7.99995ma=7.99995ma=7.99995m
Which is approximately a=8ma= 8ma=8m
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