How to solve three towns p q and r are such that the distance between P and r is 50 km and distance between P and r is 90 kilometre. If the bearing of if the bearing of r from p is 0 75 degrees and the bearing of r from p is 310 degree .find the distance between r and p. bearing of r from q

if the bearing of r from p is 0 75 degrees and the bearing of r from p is 310 degree

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