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anonymous
 one year ago
help!
anonymous
 one year ago
help!

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0At 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
 one year ago
Best ResponseYou've already chosen the best response.0@ganeshie8 @jtvatsim

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1438458593444:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay so i think its asking for the circumference of the metal frame do you know the formula for the circumference ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0If 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?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Sorry, what is the formula for circumference?*

jtvatsim
 one year ago
Best ResponseYou've already chosen the best response.0@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
 one year ago
Best ResponseYou've already chosen the best response.0do you understand that @geny55 ?
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