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Mathematics 23 Online
OpenStudy (ffasinger):

WILL MEDAL In the diagram below, what is the approximate length of the minor arc ? Image in comments A. 69.1 cm B. 17.3 cm C. 34.5 cm D. 29.7 cm

OpenStudy (mathmale):

think: "arc length." What's the formula for "arc length?" Note: you must express the central angle in radians to use this formula. What is the central angle here? What is the radius here? Arc length = ( )( )

OpenStudy (ffasinger):

I don understand how to do it at all

OpenStudy (mathmale):

Please involve yourself in some way. Ask questions to clarify whatever it is that you don't understand. I don't believe you don't understand anything at all about this problem.

OpenStudy (ffasinger):

I have to teach myself how to do it so . I eill like get the formula but then it like wont jive with ansewers I am given so . i just need help with it all.

OpenStudy (ffasinger):

@gottennis121

OpenStudy (ffasinger):

@lakota1999

OpenStudy (lakota1999):

u there

OpenStudy (ffasinger):

yes

OpenStudy (ffasinger):

b back in 5

OpenStudy (lakota1999):

ok

OpenStudy (lakota1999):

its a

OpenStudy (ffasinger):

how do you know it is A

OpenStudy (lakota1999):

clulator

OpenStudy (ffasinger):

can you teach me how or could you just help me with more

OpenStudy (lakota1999):

i could try but what it in for me???

OpenStudy (ffasinger):

and it was no A

OpenStudy (lakota1999):

math is not my stong suit

OpenStudy (ffasinger):

lol same

OpenStudy (ffasinger):

@mathstudent55 @misty1212

OpenStudy (lakota1999):

i could try

OpenStudy (dani_rose):

Maybe this will help http://www.regentsprep.org/regents/math/algtrig/atm1/arclengthlesson.htm

OpenStudy (dani_rose):

Your answer is B

OpenStudy (dani_rose):

give me a sec to type the explanation

OpenStudy (lakota1999):

i wanna see this

OpenStudy (dani_rose):

\[60\div360=0.16666666666667\times2\times3.14\times33=34.5\]

OpenStudy (dani_rose):

OpenStudy (dani_rose):

That's the formula

OpenStudy (lakota1999):

correct

OpenStudy (dani_rose):

Where you would plug in for n and r

OpenStudy (lakota1999):

humm

OpenStudy (dani_rose):

Hopefully this helps someone else in the future

OpenStudy (lakota1999):

it will like me

OpenStudy (dani_rose):

lol

OpenStudy (lakota1999):

yup

OpenStudy (ffasinger):

omg thank you let me seeif it is theansew

OpenStudy (ffasinger):

ok it was not B it was C

OpenStudy (dani_rose):

sorry lol typo i meant C that's why it said 34.5 in the explanation

OpenStudy (ffasinger):

I did not see that lol could you helpe with one more@Dani_Rose

OpenStudy (britbrat1997):

I think the answer is C, i would get a second opinion though

OpenStudy (dani_rose):

Sure i can help @FFASinger

OpenStudy (ffasinger):

k i will tag you

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