Question 761939
Right angled triangle.
RT is vertical piece (To find)
RS is horizontal base (75 miles)
Angle TSR = 44 degrees 10 minutes = 44.1667

Tan = Opposite/Adjacent
Tan 44.1667 = RT/75 miles
tan 44.16666 * 75 = RT
RT = 72.9 miles.
Hope this helps.
:-)