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Mathematics 17 Online
OpenStudy (tmysterylizard):

Find the length of "s" to the nearest tenth given the circle.

OpenStudy (tmysterylizard):

OpenStudy (welshfella):

if my memory serves me right the formula is s = 3 * theta where theta = angle in radians.

OpenStudy (tmysterylizard):

Sorry this is confusing for me but what would the angle in radians be?

OpenStudy (tmysterylizard):

Would the angle 9 degrees be 0.05 radians or did I do that wrong

OpenStudy (welshfella):

its given 5 pi/3

OpenStudy (tmysterylizard):

Oh never mind then oops

OpenStudy (tmysterylizard):

So would you multiply 5pi/3 and 3?

OpenStudy (welshfella):

OH hol on - my concentration is not good today I dont know why i put 3 it is s = r* theta

OpenStudy (welshfella):

r = radius of the circle

OpenStudy (tmysterylizard):

So you would multiply 5pi/3 by 9 then?

OpenStudy (welshfella):

yes

OpenStudy (tmysterylizard):

So that'd be about 47.1 right?

OpenStudy (welshfella):

yes or you write the answer in terms of pi which is 15pi inches

OpenStudy (welshfella):

* you can write

OpenStudy (tmysterylizard):

thank you so much!!

OpenStudy (welshfella):

yw

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