SOLUTION: A helicopter flies 30 km from a point P to another point Q on a bearing of 128°. It then flies another 25 km to a point R on a bearing of to 295°. Find the distance between P and

Question 1146312: A helicopter flies 30 km from a point P to another point Q on a bearing of 128°. It then flies another 25 km to a point R on a bearing of to 295°. Find the distance between P and R.
(Full soultion + diagram) :)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A helicopter flies 30 km from a point P to another point Q on a bearing of 128°. It then flies another 25 km to a point R on a bearing of to 295°. Find the distance between P and R.
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Find the angle at point Q.
Then use the Cosine Law.
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