Question

Find the measure of x.

X
55°
80
X
= [ ?
]
Round to the nearest tenth.

Answer 1

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 2

x= 139.5

Explanation:

adj/hyp =cos55

80/hyp =cos55

hyp= 139.5

ty have a great day