Respuesta :
Answer: 139.5
Work Shown:
cos(angle) = adjacent/hypotenuse
cos(55) = 80/x
x*cos(55) = 80
x = 80/cos(55)
x = 139.4757 approximately
x = 139.5
Answer:
x= 139.5
Step-by-step explanation:
adj/hyp =cos55
80/hyp =cos55
hyp= 139.5
ty have a great day