In this triangle, what is the value of x?
Enter your answer, rounded to the nearest tenth, in the box.
x =_____ km
x = _______.
Cos(x) = 28 / 72
Cos(x) =0.38888...
x = arccos(0.38888.....)
x =~67.1
Why did you post your question in the "Answers Section"?
Cos(28) = x / 64
0.8829476 = x / 64 cross multiply
x = 64 x 0.8829476
x =~56.5