Momo
  • Momo
how do i know what theta is to solve the length of an arc?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Does it not give you the degree of the central angle?
Momo
  • Momo
well, it's a circle...i'm not sure. i will set the problem as my profile picture lol
anonymous
  • anonymous
You can attach File... located at the bottom of where you post instead...

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More answers

Momo
  • Momo
oh okay :D
Momo
  • Momo
1 Attachment
anonymous
  • anonymous
What are you trying to find?
Momo
  • Momo
arcEDC
anonymous
  • anonymous
Is this a unit circle?
anonymous
  • anonymous
Look at the angle made up from Arc AB. There is a vertical angle equal to that angle made from Arc ED.... Do you see that those two are equal?
Momo
  • Momo
they are both 50?
anonymous
  • anonymous
yep
anonymous
  • anonymous
Yes so the arc EDC that you are trying to find is a total of 90 degrees. The arc length is found by multiplying the degrees (90) times the radius. I don't know what your radius is...
Momo
  • Momo
it doesn't give me a radius...hmmm
Momo
  • Momo
i could give you the multiple choice answers?
anonymous
  • anonymous
Yes
Momo
  • Momo
45pi 45 5pi/2 5pi
Momo
  • Momo
sorry, i didn't find the pi symbol. and the 3rd one is a fraction
amistre64
  • amistre64
this one?
Momo
  • Momo
yep :)
Momo
  • Momo
i have an attachment in it
amistre64
  • amistre64
1 Attachment
Momo
  • Momo
If AD=10, find the length of arcEDC
1 Attachment
Momo
  • Momo
oh awesome! thanks :D
anonymous
  • anonymous
5 * pi/2
Momo
  • Momo
oh, wait sorry, 90 isn't an option
amistre64
  • amistre64
again; without any knowledge of the radius, there is no way to solve an arclength for this; so its most likely an angle
Momo
  • Momo
jonknet, yours is an option
anonymous
  • anonymous
convert degrees to radians
Momo
  • Momo
yeah amistre64 it is difficult
amistre64
  • amistre64
yes; radian measures....its good to know what the real question is :)
anonymous
  • anonymous
r=5. theta = 90pi/180 = pi/2. multiply out.
amistre64
  • amistre64
r = 5? wheres that at?
Momo
  • Momo
oh thank you so much!!!
anonymous
  • anonymous
AD = 10
amistre64
  • amistre64
i see no 10 lol
anonymous
  • anonymous
It's not in the picture. Check Momo's response a few up.
amistre64
  • amistre64
ah.....
anonymous
  • anonymous
I almost missed it too lol
Momo
  • Momo
you guys are awesome! thank you so very much!!

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