geometry question on traingles

[dayakar.gprec]

Two roads diverge at a point at an angle 60.Two persons starts from the meeting point and walk along the roads at 5km and 4km per hour for 3hrs.What is the distance between them after three hours?

[tommywallach]

Is this from a test of some sort? What are the answer choices?

-t

[baily106]

Yes, could you please tell us how you would resolve this?
Thanks.

[tommywallach]

This is insoluble. You know two sides, but only one angle. It's not a special triangle (i.e. 30-60-90).

-t