OpenStudy (anonymous):

how do you find the circumference

6 years ago
OpenStudy (ragingsquirrel):

of a circle?

6 years ago
OpenStudy (anonymous):

yes

6 years ago
OpenStudy (ragingsquirrel):

multiply the diameter by Pi. (3.14)

6 years ago
OpenStudy (anonymous):

you think i tryed

6 years ago
OpenStudy (ragingsquirrel):

so do you know the diameter or the radius?

6 years ago
OpenStudy (anonymous):

like it says 15 cm so i times by pi (3.14) right

6 years ago
OpenStudy (aravindg):

2*pi*r

6 years ago
OpenStudy (ragingsquirrel):

you had to post that 4 times...

6 years ago
OpenStudy (anonymous):

circumferrence of a circle =2*3.14*r where r is the radius of the circle

6 years ago
OpenStudy (anonymous):

i ask a yes or no ?

6 years ago
OpenStudy (anonymous):

yes

6 years ago
OpenStudy (ragingsquirrel):

Oops i mean diameter.

6 years ago
OpenStudy (ragingsquirrel):

But yes. Just multiply 15 by 3.14.

6 years ago
OpenStudy (anonymous):

thankss talk latter

6 years ago
OpenStudy (ragingsquirrel):

Your answer would be 47.1. Glad i could help.

6 years ago
OpenStudy (amistre64):

2r = d 2pi r = pi d

6 years ago
OpenStudy (anonymous):

thanks

6 years ago
OpenStudy (anonymous):

\[2\pi*r\]

6 years ago
OpenStudy (ragingsquirrel):

;)

6 years ago
OpenStudy (anonymous):

P (circunference)=2pi*r

6 years ago