Question

WILL FAN AND MEDAL PLEASE HELP.

Answer 1

@hick4life

Answer 2

ok lets see here

Answer 3

arc length = radius * angle

angle must be in radians

convert 315 to radians by multiplying by pi/180

Answer 4

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

Answer 5

IT wasn't 3.5pi. what are the steps you used? And @dumbcow I didn't fully understand your explanation

Answer 6

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
\[\frac{radians}{degrees} = \frac{\pi}{180} \rightarrow radians = (\frac{\pi}{180})*degrees\]

Answer 7

So 3.14 divided by 180 * 315??

Answer 8

yes, however dont use 3.14 for pi

notice all the answers have pi in them

Answer 9

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

Answer 10

And is it always 180?

Answer 11

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

Answer 12

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

Answer 13

@WhatEven , yes its always 180 .... however you multiplied not divided
180 is in the denominator ----> (315/180)*pi

Answer 14

@Dumbcow just no dude no dont go there

Answer 15

Meh, Okay. Well once I have 56700 what do I do?


@LunyMoony could you shed some light on the situation?

Answer 16

@WhatEven , yes its always 180 .... however you multiplied not divided
180 is in the denominator ----> (315/180)*pi

Answer 17

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

Answer 18

@WhatEven , yes its always 180 .... however you multiplied not DIVIDED
180 is in the DENOMINATOR ----> (315/180)*pi
\[\frac{315}{180} \pi\]

Answer 19

Ohhhhh. Sorry I read it wrong :c

Answer 20

And I get 1.75 with that...

Answer 21

multiply by radius

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

Answer 22

Okay, I think I understand now. Thanks (:

Answer 23

yw :)

Answer 24

Would you double check my other answers so I know I'm right @dumbcow?

Answer 25

sure

Answer 26

So I got 1.5 with the equation for this one and it's not an option....

Answer 27

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

Answer 28

So 3/2 pi???

Answer 29

yep

Answer 30

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? (:

Answer 31

sure, it will still be same steps

remember ---> radius*(angle/180)pi