bob2142 bob2142
  • 09-02-2021
  • Mathematics
contestada

Can someone do this please

Can someone do this please class=

Respuesta :

Sunfish1 Sunfish1
  • 09-02-2021

Answer:

x = [tex]\sqrt{5}[/tex]

Step-by-step explanation:

[tex](\sqrt{21} )^{2}[/tex] = 4^2 + ^2

21 - 16 = x^2

x = [tex]\sqrt{5}[/tex]

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