dominqui dominqui
  • 20-07-2018
  • Mathematics
contestada

Find x.
a.√539 or appx 23.2
b.√320 or appx . 17.9
c. √156 or appx. 12.5
d.√800 or appx. 28.3

Find x a539 or appx 232 b320 or appx 179 c 156 or appx 125 d800 or appx 283 class=

Respuesta :

gmany
gmany gmany
  • 21-07-2018

Use the Pythagorean theorem:



[tex]x^2+38^2=42^2\\\\x^2+1444=1764\ \ \ \ |-1444\\\\x^2=320\to x=\sqrt{320}[/tex]



Answer:


[tex]b.\ \sqrt{320}\ or\ appx\ 17.9[/tex]

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