anonymous
  • anonymous
What is the length of AB ( the minor arc )?
Geometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
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mathstudent55
  • mathstudent55
What is the circumference of a circle? I means the formula.
anonymous
  • anonymous
Is it C=2(pie)r

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mathstudent55
  • mathstudent55
Yes, C = 2(pi)r
mathstudent55
  • mathstudent55
2(pi)r is the length around the entire circle, all 360 degrees of it. Here you only want the length along 60 degrees of it.
anonymous
  • anonymous
Would i make be 60 ?
anonymous
  • anonymous
it be*
mathstudent55
  • mathstudent55
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mathstudent55
  • mathstudent55
The sector length, s = (n/360)2(pi)r
anonymous
  • anonymous
s = 60/360 (2)pi(r)
anonymous
  • anonymous
s = 0.17 2(pi)30 ?
anonymous
  • anonymous
Am i doing it right so far
mathstudent55
  • mathstudent55
good
anonymous
  • anonymous
s = 0.17 + 188.4
anonymous
  • anonymous
s = 188.57
mathstudent55
  • mathstudent55
Wait, how do you get a + signe in there? Everything is multiplied together.
anonymous
  • anonymous
I thought you had to add them -__ -
mathstudent55
  • mathstudent55
s = (60/360)*2*pi*30 = (1/6)*2*3.14*30
anonymous
  • anonymous
s = 32.03 ?
anonymous
  • anonymous
I have to round
mathstudent55
  • mathstudent55
What did you use for pi?
anonymous
  • anonymous
3.14
mathstudent55
  • mathstudent55
Use 0.1666666 for 60/360
anonymous
  • anonymous
31.399987 since i have to round to the nearest hundredth it would be 31.40 ?
mathstudent55
  • mathstudent55
good
anonymous
  • anonymous
What a neat little problem!!! That formula was enough to make 10 pis!!! :-)
mathstudent55
  • mathstudent55
Do you have a scientific calculator?
anonymous
  • anonymous
I have a texas instruments calculator is that one ? ahaha
mathstudent55
  • mathstudent55
Does is have a key for pi?
anonymous
  • anonymous
Yes but whenever i do a problem with pie it's just do this 6pie3 = 18pie
anonymous
  • anonymous
it* does *
anonymous
  • anonymous
Enough to make 10 pies, does that mean i divide 360 by 10 ?
anonymous
  • anonymous
No, I was referring to the final answer you'll eventually get. It surprised me. :-)
anonymous
  • anonymous
I haven't got the answer yet ?! FML -__ -
anonymous
  • anonymous
31.4 is probably close enough for your schoolwork, but the answer when you use pi taken out to more places is interesting. I may as well stop kibitzing from the sidelines here...I used 3.14159 as pi for my calculations and got 31.4159 as a solution. IOW, 10 pi :-)
anonymous
  • anonymous
I was way off lucky me
anonymous
  • anonymous
Wait so you did 10(pi) and that was it ?
anonymous
  • anonymous
Not really. 31.39999... is 31.4 which is the same answer as I got, but accurate to 1 place, is all. And I hope that mathstudent55 doesn't take offense at my "kibitzing from the sidelines" here. I only jumped in after you had already pretty much gotten the answer with his help.
anonymous
  • anonymous
It's fine mathstudent55 isn't online (:
anonymous
  • anonymous
anymore
anonymous
  • anonymous
No. I didn't "do" 10(pi), the answer just happened to be 31.4159 which just happens to also be 10*pi.
anonymous
  • anonymous
And I thought that was humorously interesting. :-) Or interestingly humorous... :-)
anonymous
  • anonymous
I see, how did you get 10 though ?
anonymous
  • anonymous
Ummmm....by dividing 31.4159 by 3.14159 ???
anonymous
  • anonymous
Oh ahaha oblivious me sorry for exuding slowness. (:
anonymous
  • anonymous
Heheh...I see you've had an epiphany!! :-) All is good now!! :-)
anonymous
  • anonymous
Hopefully it is, i'm getting way too frustrated with this and it's not even afternoon yet.
anonymous
  • anonymous
No problem. Sometimes ya have to just walk away for awhile. Grab some munchies and sit outside smelling the air. It'll come to you, just don't let it atke you over. :-)
anonymous
  • anonymous
*take
anonymous
  • anonymous
Insightful, thanks. I'll do that and thank you for making it less stressful
anonymous
  • anonymous
No problem! Don't think of them as "problems", think of them as "puzzles"! :-) Take care! :-)

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