17-06-2021
Mathematics

contestada

solve for x round to the nearest tenth if necessary

solve for x round to the nearest tenth if necessary class=

Respuesta :

bhadelsimron19 bhadelsimron19

17-06-2021

Answer:

Step-by-step explanation:

take 60 degree as reference angle

using cos rule

cos 60 = adjacent / hypotenuse

1/2 = 80/x

do cross multiplication

2*80 = x

160 = x

160.0 = x

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