Question

Medal for anyone that can help

what is the circumference of the given circle in terms of pie?
https://www.connexus.com/content/media/886560-722013-114720-AM-13942095.jpg

a. 14(pie sign) in
b. 28(pie sign) in
c. 42(pie sign) in
d. 196(pie sign) in

Answer 1

I can't see the picture or link it says i need to log in can you screenshot or draw it.

Answer 2

yea hold on

Answer 3

yea hold on

Answer 4

how in the world do you add images in here @alisyed5865

Answer 5

If you're on a computer there's a button at the bottom beneath the typing section which says attach file, but if that's too much just draw it. Like click the draw button

Answer 6

He said pie

Answer 7

It's spelt Pi meaning 3.14159...

Answer 8

So the circumference of a circle what's the formula for that? Do you know?

Answer 9

@iYuko i know that but i forgot how to solve it, like the whole radius stuff at first i thought your s supposed to multiply them both

@alisyed5865 that pie is 3.14

Answer 10

Oh no no so the circumference of a circle is given by the formula \[2\pi r \]

Answer 11

So your r is 14
So you can do 2(14)(pi)

Answer 12

i did that put none of it equaled any of the answers

Answer 13

Leave pi in there haha

Answer 14

It's just 14 times 2

Answer 15

So 28 pi

Answer 16

B

Answer 17

omg thanks so much can you help me with one more?

Answer 18

Sure

Answer 19

thanks

Answer 20

i feel like such an idiot because we learn this stuff in Middle school but that feels like so long ago...

Answer 21

Area is Pi(R^2)

Answer 22

It's okay haha, everyone forgets stuff

Answer 23

9.8 IS THE DIAMETER AND RADIUS IS 1/2 THAT

Answer 24

So radius is 4.9

Answer 25

So 4.9^2 times pi should be your answer

Answer 26

thanks for the help!!

Answer 27

No problems! Remember the formula's now!!

Answer 28

yes c: and i' ve already gave you a medal