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
Algebra ->
Trigonometry-basics
-> 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
Log On
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.
-----------
Find the angle at point Q.
Then use the Cosine Law.