SOLUTION: Two airplanes leave the same airport at the same time. The first plane flies 170 km/h in a direction of 300 degrees. The second plane flies 210 km/h in a direction of 220 degrees.

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Question 956126: Two airplanes leave the same airport at the same time. The first plane flies 170 km/h in a direction of 300 degrees. The second plane flies 210 km/h in a direction of 220 degrees. After two hours, how far apart are the planes?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Two airplanes leave the same airport at the same time. The first plane flies 170 km/h in a direction of 300 degrees. The second plane flies 210 km/h in a direction of 220 degrees. After two hours, how far apart are the planes?
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Find the 2 distances.
Then you have 2 sides and the included angle.
Use the Cosine Law to find the 3rd side.