Mathematics
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OpenStudy (anonymous):
Couls someone help me fix this problem? (Find the measure of an arc circle. )
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OpenStudy (anonymous):
OpenStudy (anonymous):
This problem looks super easy, but all my answers come out wrong, can anyone pls pls explain this to me?
ganeshie8 (ganeshie8):
subtract it from 180
OpenStudy (anonymous):
subtract 175.86-180=-4.14
OpenStudy (anonymous):
4.14 is my answer :D
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ganeshie8 (ganeshie8):
correct
OpenStudy (anonymous):
Do you think you could help with a similar problem im having trouble with?
ganeshie8 (ganeshie8):
sure, did u get why we subtracted it from 180 and why it worked ha...
OpenStudy (anonymous):
180 is half right. :)
OpenStudy (anonymous):
half the line/ circle.
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OpenStudy (anonymous):
This is another im stuck with. i keep getting the wrong answer. :/
ganeshie8 (ganeshie8):
use this :-
external angle = (far arc - near arc)/2
OpenStudy (anonymous):
3x+13-5x-20/2
OpenStudy (anonymous):
like that?
ganeshie8 (ganeshie8):
not exactly
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OpenStudy (anonymous):
aww.. :/
OpenStudy (anonymous):
What do you mean then? x)
OpenStudy (anonymous):
3x+13-8x+48/2
OpenStudy (anonymous):
i got 37-5x. That isnt right either. :/
ganeshie8 (ganeshie8):
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ganeshie8 (ganeshie8):
thats your external angle
ganeshie8 (ganeshie8):
the farther on right side is 'far arc'
OpenStudy (anonymous):
5x-20-8x+48/2
ganeshie8 (ganeshie8):
the middle one is the 'near arc'
ganeshie8 (ganeshie8):
yes, let me set it up for u
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OpenStudy (anonymous):
3x :)
OpenStudy (anonymous):
i got 3x as my answer. o: and ok.(:
ganeshie8 (ganeshie8):
external angle = (far arc - near arc)/2
3x+13 = (8x+48 - 5x + 20)/2
ganeshie8 (ganeshie8):
solve x
OpenStudy (anonymous):
14!!
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ganeshie8 (ganeshie8):
correct
OpenStudy (anonymous):
Thanks once again!!(: <3
ganeshie8 (ganeshie8):
yw :)