The area of a circle and an equilateral triangle are the same. If the area of the equilateral triangle is $17320\;sq\;cm$, the distance covered when 9 rounds are taken round the circle is ________ cm

Question

$(A) 7438\;cm \\(B)\;7348\;cm \\(C)\;7834\;cm \\(D)\;7483\;cm $