bubblooo bubblooo
  • 26-05-2020
  • Mathematics
contestada

Can i have help solving for x:)?

Can i have help solving for x class=

Respuesta :

demason9 demason9
  • 26-05-2020

Answer:C

Step-by-step explanation:

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Alessandro15
Alessandro15 Alessandro15
  • 26-05-2020
Teorema Di Pitagora inverso, dato che per trovare l’Ipotenusa fai a^2 + b^2 = c^2 , questa volta devi trovare un cateto, quindi a^2 - b^2 = c^2.
Chiamiamo il lato a = 21 e il lato b (in questo caso l’ipotenusa) b = 19
Quindi, a^2 è 441 e b^2 è 361.
Quindi la radice quadrata di 441-361, che sarebbe la radice di 80, quindi 8,9
Spero di essere stato d’aiuto :)
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