sweetangels4
sweetangels4 sweetangels4
  • 01-03-2018
  • Mathematics
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Find the value of x. round to the nearest tenth

Find the value of x round to the nearest tenth class=

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Banabanana
Banabanana Banabanana
  • 01-03-2018
The cosine of an acute angle in a right triangle  is the ratio of the length of the adjacent side to the length of the hypotenuse.

cos(22°) = x/11    ⇒   x = 11×cos(22°)

x = 11×cos(22°) = 11×0.9272 ≈ 10.2 units
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