AMC 10A 2015 Problem 17

A line that passes through the origin intersects both the line x=1 and the line y=1+\dfrac{\sqrt{3}}{3} x. The three lines create an equilateral triangle. What is the perimeter of the triangle?

Answer Choices
A. 2 \sqrt{6}
B. 2+2 \sqrt{3}
C. 6
D. 3+2 \sqrt{3}
E. 6+\dfrac{\sqrt{3}}{3}