In the center of a circular field, there is a pole. The distance from the pole to the edge of the field is 20 meters. Nick would like to run around the edge of the circular field 6 times. How many meters will he have run in total ?
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OpenStudy (anonymous):
Ok so the pole is the center of the circle right?
OpenStudy (anonymous):
Yeah
OpenStudy (anonymous):
so that means 20 meters is the radius
OpenStudy (anonymous):
cause the center of any circle to the edge, is equivilant to the radius
OpenStudy (anonymous):
Yeah I agree
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OpenStudy (anonymous):
Now do you know the formula for the curcumfirance of a circle?
OpenStudy (anonymous):
Um
OpenStudy (anonymous):
YOU CANT GIVE ANSWERS DIRECTLY THATS AGAINST THE RULES!
OpenStudy (anonymous):
ok so anyway
OpenStudy (anonymous):
Yeah
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OpenStudy (anonymous):
Now I'm confused @aahmed123
OpenStudy (anonymous):
ok listen
OpenStudy (anonymous):
the formula for the circumference of a circle is 2*pi*radius
OpenStudy (anonymous):
2radius is the diamiter right?
OpenStudy (anonymous):
Yeah 40 ?
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OpenStudy (anonymous):
yep
OpenStudy (anonymous):
no, 20 is the radius
OpenStudy (anonymous):
the diameter is 40
OpenStudy (anonymous):
and the formula for the circumference is C="pi"d
OpenStudy (anonymous):
I guess it could be...
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OpenStudy (anonymous):
or Circumference is equal to pi times the diameter
OpenStudy (anonymous):
It's C = PI*D
OpenStudy (anonymous):
yup, pi is approximatley 3.14
OpenStudy (anonymous):
so do 40*3.14
OpenStudy (anonymous):
Kk
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OpenStudy (anonymous):
so plug in 40x3.14
OpenStudy (anonymous):
you can to that equation
OpenStudy (anonymous):
BUT
OpenStudy (anonymous):
I got 125.6
OpenStudy (anonymous):
the question says he wants to run around SIX times not only once
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OpenStudy (anonymous):
so multiply your answer by 6
OpenStudy (anonymous):
Kk
OpenStudy (anonymous):
yup
OpenStudy (anonymous):
I agree with @aahmed123
OpenStudy (anonymous):
I got 753.6
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OpenStudy (anonymous):
thats your answer :)
OpenStudy (anonymous):
Thank you SO OOOOO MUCH @aahmed123 & @heretoalwayshelp