anonymous
  • anonymous
x/360*pi*3^2=
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
I would help you but this doesn't make sense... Are you sure you have it written correctly?
anonymous
  • anonymous
i believe so.. i cant draw the circle
anonymous
  • anonymous
Is there an x on the circle somewhere?

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anonymous
  • anonymous
I take it that the radius of the circle you are speaking of is 3
anonymous
  • anonymous
ya
anonymous
  • anonymous
I am guessing there is an angle on your circle. Do you know what the degree of the angle is?
anonymous
  • anonymous
there is an angle but it doenst show the measurement
anonymous
  • anonymous
Maybe you are supposed to measure it with a protractor? I believe you are trying to find the area of that circle... it must have a shaded area or something.. Does it tell you what the area is anywhere on the problem?
anonymous
  • anonymous
do you have a yahoo or something i could send the picture to becuase it is hard to explain
anonymous
  • anonymous
anonymous
  • anonymous
okay
anonymous
  • anonymous
ok i got it sent.. theres three that i need help on
anonymous
  • anonymous
I haven't gotten yet.. When I do.. I will let you know
anonymous
  • anonymous
Sometimes that email account filters things out... can you send it to amcbeth328@gmail.com that one will work quicker.
anonymous
  • anonymous
ok
anonymous
  • anonymous
OK I got them... I can't really read it... but it looks like there is stuff written on the right side of the pictures. I am not sure you actually do the first problem. What it is telling you is to find the area of part of a circle you do the following. The area of a whole circle is A = pi r^2. So in the first problem, you are trying to find out the area of part of a circle... If you were trying to find out what half of a circle was you would take A = 1/2 pi r^2. But you aren't finding 1/2 of the circle you are finding a part of the circle. Since circles are measured in degrees you are finding a portion of the 360 degrees. that is the x/360 if you put in 180 degrees for x you would have 180/360 which is 1/2 of a circle which is exactly what 180 degree angle would look like when you color the top part of that circle. So .... I think the answer to the first one is what you wrote down on the problem x/360 * pi * 3^2 because we don't know the degree of the angle but the radius is 3. In the next two problems... it tells you the degrees and the radius. I can't read them. but put (degree of the angle)/360 * pi * radius^2. They tell you the radius also so you plug that in. If you want to tell me the numbers I can help you out.
anonymous
  • anonymous
okay the second one is the degree is 52 and the radius is 17ft the last one is 160 degrees and radius is 5m
anonymous
  • anonymous
So you put 52/360 * pi * 17^2 put that in a calculator and you will get your answer. You would put 160/360 * pi * 5^2...
anonymous
  • anonymous
so for this one 52/360 * pi * 17^2 i got 131.08 and this one 160/360 * pi * 5^2 i got 34.89
anonymous
  • anonymous
Make sure you right is with like inches^2 or cm^2 what ever the radius is in. Yes those are the answers... could be a little different depending if you used the pi key or you use 3.14. Good answers tho.. just label them
anonymous
  • anonymous
thank you

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