Question

A woman prospecting for successful business travels 16km from a point P to a point Q on a bearing of 065°. She then travels to point R, a distance 12km on a bearing 325°. Calculate PR

Answer 1

The distance PR is 21.6 Km

Explanation:

Please find the attached document for explanation.

Also, I applied Cosine rule to determine the distance PR, since i have an angle (Q) in between two given sides of the triangle.