A square and an equilateral triangle have a side in common. If side of triangle is 4/3 cm long, find the perimeter of the figure obtained.
1
\(6\frac{2}{3}\) cm
2
\(5\frac{1}{3}\) cm
3
\(\frac{16}{9}\) cm
4
\(\frac{16}{9}\left(\frac{\sqrt 3}{4}+1 \right)\) cm