anonymous
  • anonymous
how do you find the measure of an arc of a cirlce?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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amistre64
  • amistre64
circumference really
amistre64
  • amistre64
radian angle * radius
amistre64
  • amistre64
for the whole thing we get 2pi r for part of it; just replace 2pi with the radian angle

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anonymous
  • anonymous
but the radius is not given thats why im confused
amistre64
  • amistre64
cant read your mind lol whats the problem and can you send a pic?
anonymous
  • anonymous
hmm let me try one minute
anonymous
  • anonymous
there its number two
1 Attachment
amistre64
  • amistre64
well, the r is gonna be some scaled version of sqrt(2); so id say: r = t sqrt(2) to cover all the bases; what have you been using to determine a radius with?
amistre64
  • amistre64
lol.... how about this route; the arc length is equal to the angle degree that it is infront of
amistre64
  • amistre64
since that angle is 90 degrees; the arc length is 90 degrees; or pi/2 radians
anonymous
  • anonymous
we were using similar angles to find the missing lengths but sences there are no #s given im not sure what to do
anonymous
  • anonymous
so then arcLM would also be 90?
amistre64
  • amistre64
its; pi r/2 if it aint gonna give number than thats the best you can do
amistre64
  • amistre64
yes; 90 degrees
anonymous
  • anonymous
awsome thank you!
amistre64
  • amistre64
yw :)

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