karen1102 karen1102
  • 21-03-2015
  • Mathematics
contestada

The radius of a circle measures 13 ft. What is the circumference of the circle?

Use 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer.

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Hippalectryon
Hippalectryon Hippalectryon
  • 21-03-2015
Circumference : C=2*pi*radius~2*3.14*13=81.64 ft
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mmize98 mmize98
  • 21-03-2015
i think the answer is 81.64 because   (2)(3.14)(r)= (2)(3,14)(13)
Answer Link

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