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Mathematics 16 Online
OpenStudy (anonymous):

Find the arc length of a sector that is 125° and has a radius of 20 in

OpenStudy (muhammad_nauman_umair):

as, \[\S=r \theta\]

OpenStudy (amistre64):

which of course is just the circumference of an "arc"

OpenStudy (muhammad_nauman_umair):

convert degrees into radian and insert the values of r and theta in radian u will get the arc length S

OpenStudy (anonymous):

i dpnt understanf 0.o

OpenStudy (amistre64):

then you are not ready for this level of math ...

OpenStudy (amistre64):

or is there something specific that you dont understand ....

OpenStudy (anonymous):

im in geometry none of that is in geometry

OpenStudy (amistre64):

is the circumference of a cirle in geometry?

OpenStudy (amistre64):

circle that is

OpenStudy (anonymous):

yes

OpenStudy (amistre64):

that is all this is.

OpenStudy (amistre64):

take the circumference of the circle; divide it by 360 to get the length of 1degree angle arc; then multiply it by 120 to get a length for 120 degrees

OpenStudy (amistre64):

well, 125 degrees if i read the question right

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