anonymous
  • anonymous
help!
Mathematics
  • Stacey Warren - Expert brainly.com
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chestercat
  • chestercat
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anonymous
  • anonymous
At a school carnival, the diameter of the mat of a trampoline is 10 feet and the diameter of its metal frame is 12 feet. What is the length, in feet, of the metal frame that surrounds the trampoline? Use 3.14 for π and round your answer to the nearest tenth. 15.7 feet 18.9 feet 31.4 feet 37.7 feet
anonymous
  • anonymous
@ganeshie8 @jtvatsim
Jhannybean
  • Jhannybean
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anonymous
  • anonymous
okay so i think its asking for the circumference of the metal frame do you know the formula for the circumference ?
Jhannybean
  • Jhannybean
If you're trying to find the `length` of the metal frame that surrounds the trampoline, that's simply finding the circumference. `circumference = length` So what is the circumference of the circle?
Jhannybean
  • Jhannybean
Sorry, what is the formula for circumference?*
jtvatsim
  • jtvatsim
@geny55 Are you more familiar with this formula \[C = \pi d\] or this formula for the circumference? \[C = 2\pi r\] Mathematically, they are the same, but some people feel more comfortable with one over the other.
anonymous
  • anonymous
do you understand that @geny55 ?
anonymous
  • anonymous
@jtvatsim
anonymous
  • anonymous
whats the answer?

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