\(x-\ the\ smallest\ angle\\\\
6x- \ larger\ angle\\\\ 2x- \ other\ angle\\\\
Sum\ of\ angles\ in\ triangle\ is\ equal\ to\ 180^{\circ}\\\\
x+6x+3x=180^{\circ}\\ 9x=180^{\circ}\ \ |Divide\ by\ 9\\\\
x=20^{\circ}\\\\the\ smallest\ angle\ is\ equal\ to\ 20^{\circ}.\)
