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ok lets see here

arc length = radius * angle
angle must be in radians
convert 315 to radians by multiplying by pi/180

So 3.14 divided by 180 * 315??

yes, however dont use 3.14 for pi
notice all the answers have pi in them

Okay, so 180*315=56700 from there what would I do?

And is it always 180?

Yes thats the answer 180 since you divided it by the 3.14 correct

@hick4life , stop trolling ... you are not helping

Okay but when I multiply 180 by 315 I get 56700...

Ohhhhh. Sorry I read it wrong :c

And I get 1.75 with that...

multiply by radius
\[arc = radius* \text{\angle}\]
\[arc = 4* \frac{315}{180} \pi\]

Okay, I think I understand now. Thanks (:

yw :)

sure

you are right .... just change it into a fraction

So 3/2 pi???

yep

sure, it will still be same steps
remember ---> radius*(angle/180)pi