needmathhelp7
What is the length of XY( the minor arc? Use your calculator and round your final answer to the nearest hundredth



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needmathhelp7
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@jim_thompson5910 @mathstudent55 @Mertsj @UnkleRhaukus @yummydum

needmathhelp7
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@mathstudent55 @Mertsj

jim_thompson5910
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XY = (40/360)*(Circumference)

needmathhelp7
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I got 81?

needmathhelp7
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@jim_thompson5910

jim_thompson5910
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what did you get for the circumference?

needmathhelp7
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40?

needmathhelp7
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wait how do u find the circumference?

needmathhelp7
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@jim_thompson5910 @Mertsj

Mertsj
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Well, I see that the angle is 40 degrees. I'm trying to think what part of the entire circle that is. How many degrees are in the whole circle?

jim_thompson5910
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C = 2*pi*r
C = 2*3.14*9
C = ???

needmathhelp7
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I got 508.98?

needmathhelp7
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as my answer @jim_thompson5910 @Mertsj

Mertsj
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That seems like a big answer. How did you get it?

needmathhelp7
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I did: 360/40= 4
then I did: 2 x 3.14 x 9= 56.52
then I multiplied them both (4 x 56.52) and I got 508.98

needmathhelp7
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@Mertsj @jim_thompson5910

jim_thompson5910
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sry the site isn't working for me, is it working for you?

jim_thompson5910
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well now it is, but its off and on...

needmathhelp7
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now it finally is! Lol yeah

needmathhelp7
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it's fine! I'm having the same issue

jim_thompson5910
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circumference is 56.52

jim_thompson5910
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so
XY = (40/360)*(Circumference)
XY = (40/360)*(56.52)
XY = ???

needmathhelp7
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actually for 360/40 i got 9 :) I got 508.68

jim_thompson5910
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you're dividing the wrong way

jim_thompson5910
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it's not 360/40
it should be 40/360

needmathhelp7
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OH that made SUCH a big difference..I didn't think that mattered! Haha

needmathhelp7
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oops xD Lol I got 6.28 as my answer?

jim_thompson5910
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you can only flip the terms if you are either adding or multiplying

jim_thompson5910
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not dividing or subtracting

jim_thompson5910
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me too

needmathhelp7
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Ohhh okay got it thank you so much!! :)