An aircraft is flying a track of 255°(M), 22:54 UTC, it crosses radial 360° from a VOR station, 23:00 UTC, it crosses radial 330° from the same station. At 23:00 UTC, the distance between the aircraft and the station is:
Refer to figure.
Airplane heading: 255˚
Difference in radials: 30˚
We have a triangle where one angle is 30˚, the other angle is the angle formed between radial 360˚ and airplane heading at this location of 255, angle between then as showing in the attachment equal 75˚.
Triangle angles in total is 180˚. We have one angle of 30º and another of 75º (total of 105º). Consequently, the third angle equals 75º (180º - 105º).
As we have 2 angles of equal values so we have isosceles triangle.
Correct Answer: the same as it was at 22:54 UTC.
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