How to solve for a triangle with only an angle and side length?

It is not possible because the triangle isn't fixed. Then second and third side can being an infinite possible number of lengths, therefore making this problem impossible to solve.

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .