ashh223
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A 90-foot rope from the top of a tree house to the ground forms a 45° angle of elevation from the ground. How high is the top of
the tree house? Round your answer to the nearest tenth of a foot.

Respuesta :

Answer:

63.6 feet

Step-by-step explanation:

  • [tex]sin (45)=\frac{x}{90}[/tex]
  • [tex]x=90 sin (45)[/tex]
  • [tex]x=45\sqrt{2}[/tex]
  • x = 63.6 feet