anonymous
  • anonymous
WILL FAN AND MEDAL PLEASE HELP.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
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anonymous
  • anonymous
@hick4life
hick4life
  • hick4life
ok lets see here

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More answers

dumbcow
  • dumbcow
arc length = radius * angle angle must be in radians convert 315 to radians by multiplying by pi/180
hick4life
  • hick4life
My best option is going to be is the 3 because you have to simplify and so i did that so your answer is the 3rd one so would pick it
anonymous
  • anonymous
IT wasn't 3.5pi. what are the steps you used? And @dumbcow I didn't fully understand your explanation
dumbcow
  • dumbcow
ok the length of the arc can be found by multiplying the radius by the measure of the angle. the angle is given in degrees, however it MUST be in radians to get the right answer to convert degrees to radians, you use the fact that 180 degrees equal pi radians \[\frac{radians}{degrees} = \frac{\pi}{180} \rightarrow radians = (\frac{\pi}{180})*degrees\]
anonymous
  • anonymous
So 3.14 divided by 180 * 315??
dumbcow
  • dumbcow
yes, however dont use 3.14 for pi notice all the answers have pi in them
anonymous
  • anonymous
Okay, so 180*315=56700 from there what would I do?
anonymous
  • anonymous
And is it always 180?
hick4life
  • hick4life
Yes thats the answer 180 since you divided it by the 3.14 correct
dumbcow
  • dumbcow
@hick4life , stop trolling ... you are not helping
dumbcow
  • dumbcow
@WhatEven , yes its always 180 .... however you multiplied not divided 180 is in the denominator ----> (315/180)*pi
hick4life
  • hick4life
@Dumbcow just no dude no dont go there
anonymous
  • anonymous
Meh, Okay. Well once I have 56700 what do I do? @LunyMoony could you shed some light on the situation?
dumbcow
  • dumbcow
@WhatEven , yes its always 180 .... however you multiplied not divided 180 is in the denominator ----> (315/180)*pi
anonymous
  • anonymous
Okay but when I multiply 180 by 315 I get 56700...
dumbcow
  • dumbcow
@WhatEven , yes its always 180 .... however you multiplied not DIVIDED 180 is in the DENOMINATOR ----> (315/180)*pi \[\frac{315}{180} \pi\]
anonymous
  • anonymous
Ohhhhh. Sorry I read it wrong :c
anonymous
  • anonymous
And I get 1.75 with that...
dumbcow
  • dumbcow
multiply by radius \[arc = radius* \text{\angle}\] \[arc = 4* \frac{315}{180} \pi\]
anonymous
  • anonymous
Okay, I think I understand now. Thanks (:
dumbcow
  • dumbcow
yw :)
anonymous
  • anonymous
Would you double check my other answers so I know I'm right @dumbcow?
dumbcow
  • dumbcow
sure
anonymous
  • anonymous
So I got 1.5 with the equation for this one and it's not an option....
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dumbcow
  • dumbcow
you are right .... just change it into a fraction
anonymous
  • anonymous
So 3/2 pi???
dumbcow
  • dumbcow
yep
anonymous
  • anonymous
Okay, so they changed up the question a bit. I'm going to close this one and post a new one. Would you still be willing to help? (:
dumbcow
  • dumbcow
sure, it will still be same steps remember ---> radius*(angle/180)pi

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