Question

This is really confusing me

Answer 1

One sec, attaching file

Answer 2

what is it

Answer 3

Basically, the arc XY is 1/4 the circumference of a circle. The length of XY is 3. what is the radius?

Answer 4

I get 1.9 roughly

Answer 5

But the options are 3, 4, 6, 12, and 36

Answer 6

A circle has radius 8 cm and XY is a chord in the circle of length 8√3 cm. Find the length of arc XY.

Answer 7

*cough*

Answer 8

got picture?

Answer 9

that help?

Answer 10

There isn't actually a pic, I was just gonna screenshot the question

Answer 11

ok

Answer 12

is my answer what your looking for?

Answer 13

I don't know what you're doing grub

Answer 14

A circle has radius 8 cm and XY is a chord in the circle of length 8√3 cm. Find the length of arc XY.

Answer 15

I'm asking for the radius. You are giving a completely different question without explaining how it ties in

Answer 16

sorry then I need a visual

Answer 17

There is no visual lol. The question is text

Answer 18

sorry then

Answer 19

The way I did it is. So if the arc is 1/4 the circumference and the arc is 3, then the 3 is 1/4 the circumference, so 3x4=12 is the circumference.

Answer 20

So then the radius should be 1.9 but that's not an option so I don't know what's off

Answer 21

Hmmm I got 1.9 also :O
Lemme try again... sec

Answer 22

The options are 3, 4, 6, 12, and 36, maybe you could try it backwards and see?

Answer 23

Yah I still think it's 1.9...
You determined that the Circumference is 12.\[\Large\rm C=2\pi r\]\[\Large\rm 12=2\pi r\]Maybe they multiplied by pi by mistake and got 36ish?
Is this FLVS?
They make a lot of mistakes in their modules...

Answer 24

No this is an ACT practice test

Answer 25

oh hehe

Answer 26

Yes John

Answer 27

I mean Jdoe, sorry I have a friend named John Doe

Answer 28

hhehe

Answer 29

Are you a John too lol?

Answer 30

Anyways where were you going with the drawing?

Answer 31

\(\bf \textit{arc's length}=s=\cfrac{{\color{blue}{ r}}\theta \pi}{180}\to 3=\cfrac{{\color{blue}{ r}}\cdot 90\cdot \pi}{180}\)

Answer 32

Wth

Answer 33

Is that a formula?

Answer 34

heheh.... well. you said the arc lenght is 3 =) so

yes, the arc's length formula

Answer 35

and a quarter of the circle is 90 degrees angle wise

Answer 36

Lol I still get 1.9 ffs

Answer 37

then you're good :)

Answer 38

I guess it's the test's error

Answer 39

now just be happy, have ice cream, get hitched, have children, have them drive you up the wall, then retire and visit the grankids

Answer 40

u wot lmao

Answer 41

well... based on the info you provided, 1.9 is correct

Answer 42

I'm posting a screen of the question itself to make sure I did nothing wrong in communicating the question

Answer 43

There. Something is off

Answer 44

welll... I'd say the Units are off
they say find the "r" in inches

what about the arc? 3? 3 dogs? cm, in, km?

Answer 45

It doesn't specify
wut do

Answer 46

I'm thinking there's a picture missing somewhere there, there's likely more info than just XY

Answer 47

well... you know, nowhere does it say that XY is the arc btw

Answer 48

ohh wait... it does... hmm

Answer 49

It says arc XY

Answer 50

lol

Answer 51

Im just gonna pick 3 turn it in and see what happens

Answer 52

Actually 4

Answer 53

what if you pick 3 and you win a prize? a free garden hose and a box of sandpaper

Answer 54

Lol it says the answer was 6

Answer 55

wtf the justification is that according to them the circumference formula is 2r. The typo'd everything trying to say diameter

Answer 56

@jdoe0001
just letting u know dawg

Answer 57

a radian is the measure of the radius in arc-terms

so 1 radian angle, is really = an arc that is as long as the radius

if the radius is 6, then 1 radian, which is less 90 degrees, will also be 6 units long

so 90 degrees, or 1/4 of the circle would have been around... 8 for a radius of 6

so.... hamm.. anyhow... your 1.9 was ok btw