Question

An aircraft flies due north from West to Z if y is equidistant from X and Z, find the bearing of X and Z

Answer 1

Distance between two points =
(xy)^2 = (yz)^2
(x-y)2=(y-z)2
x2+y2-2xy=y2+z2-2yz
=> x2-2x=z2-2z
Hope this helps