erikavarga
erikavarga erikavarga
  • 14-12-2016
  • Mathematics
contestada

Use the information in the illustration to find the height of the comminications tower. Round answer to the nearest foot.

Use the information in the illustration to find the height of the comminications tower Round answer to the nearest foot class=

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jdogandcharliescene
jdogandcharliescene jdogandcharliescene
  • 14-12-2016
you have to set up a proportion and cross multiply
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bcalle
bcalle bcalle
  • 14-12-2016
You will use tangent ratio since you have the adjacent side and you need the opposite side.
tan 70 = x/20
Multiply both sides by 20.
20tan 70 = 55
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