ericalexington ericalexington
  • 01-11-2018
  • Mathematics
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GEOMETRY HELP!!! FIND X AND ROUND TO THE NEAREST TENTH!!! PLEASE EXPLAIN!!!

GEOMETRY HELP FIND X AND ROUND TO THE NEAREST TENTH PLEASE EXPLAIN class=

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gmany
gmany gmany
  • 05-11-2018

You must use cosine.

[tex]cosine\alpha=\dfrac{adjacent}{hypotenuse}[/tex]

We have α = 29°, adjacent = x and hypotenuse = 500 ft.

[tex]\cos29^o\approx0.8746[/tex]

Substitute:

[tex]\dfrac{x}{500}=0.8746[/tex]      mutiply both sides by 500

[tex]x=437.3\ ft[/tex]


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