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3 years ago

8

Find the measure of x. X 55° 80 X = [ ? ] Round to the nearest tenth.

2 answers:

bija089 [108]3 years ago

6 0

Answer:

x= 139.5

Step-by-step explanation:

adj/hyp =cos55

80/hyp =cos55

hyp= 139.5

ty have a great day

NARA [144]3 years ago

3 0

<h3>Answer: 139.5</h3>

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

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