Question

The circumference of a circle is 15. Use the formula bellow to find the radius r. Use 3.14 as an approximation for 3.14 and round your answer to the nearest hundredth.

Answer 1

http://media.education2020.com/evresources/646-03-07-00-00_files/i0260000.jpg

Answer 2

that's the formula

Answer 3

C= 2 pi r

Divide both sides by 2pi to get r

Answer 4

r = 5.21 ?

Answer 5

Try again?

Answer 6

alright i think i did something wrong

Answer 7

can you help me wiht this im not sure how to break this down

Answer 8

Just put the values C=15
2 pi=2 *3.14

Answer 9

C/2pi=?

Answer 10

We Stupid Ok xc

Answer 11

4.78?

Answer 12

Nope.

Answer 13

2*pi=?

Answer 14

6.28

Answer 15

15/6.28=?

Answer 16

2.39 :D

Answer 17

thanks buddy :)

Answer 18

yw :)