Question

A radar is tracking two airplanes. It determines that the distances to the two planes are 16.7 miles and 23.4 miles; the angle between the lines of sight from the radar to the two planes is 10°. How far apart are the two planes from each other?
Select one:
a. 6.7 miles
b. 7.5 miles
c. 16.4 miles
d. 20.5 miles

Answer 1

@eliassaab ??

Answer 2

@cwrw238

Answer 3

\[\cos C=\frac{ a^2+b^2-c^2 }{ 2ab }\]