lolll1988 lolll1988
  • 24-03-2022
  • Mathematics
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HELPPP PLS
Find the value of the variable.

HELPPP PLS Find the value of the variable class=

Respuesta :

jimrgrant1 jimrgrant1
  • 24-03-2022

Answer:

y = 90[tex]\sqrt{2}[/tex]

Step-by-step explanation:

using the sine ratio in the right triangle and the exact value

sin45° = [tex]\frac{1}{\sqrt{2} }[/tex] , then using the 45° angle on the lower left

sin45° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{90}{y}[/tex] = [tex]\frac{1}{\sqrt{2} }[/tex] ( cross- multiply )

y = 90[tex]\sqrt{2}[/tex]

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