SOLUTION: Two roads diverge from a point at an angle 120. two persons starting from the point walk along roads at 3km and 2km per hour. Find the distance between them?
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Question 353794: Two roads diverge from a point at an angle 120. two persons starting from the point walk along roads at 3km and 2km per hour. Find the distance between them? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Two roads diverge from a point at an angle 120. two persons starting from the point walk along roads at 3km and 2km per hour. Find the distance between them?
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Use the Cosine Law:
c = 4 km/hr
c increases at 4 km/hr
c = 4t km, t in hours
