2007-02-19 20:06:40 · 9 answers · asked by shiz_4uat 1 in Science & Mathematics ➔ Mathematics
2 π r is the circumference of a circle of radius r.
2007-02-19 20:10:23 · answer #1 · answered by smci 7 · 0⤊ 0⤋
2 pi r is formula to work out the circumference of a circle
2 x pi x r
pi =3.14159
r = radius of the circle
2007-02-20 04:18:37 · answer #2 · answered by paul13051956 3 · 0⤊ 0⤋
2 Pi r is the circumference of a circle of radius r.
2007-02-20 04:11:55 · answer #3 · answered by Swamy 7 · 0⤊ 0⤋
2 pi r is the circumference of a circle of radius r.
2007-02-20 04:15:50 · answer #4 · answered by i dont know 3 · 0⤊ 0⤋
You mean, "What does 2 pi r mean?"?
That's the formula for the circumference of a circle: 2 times Ï times r, where Ï is the famous irrational constant 3.1415926..., and r is the circle's radius.
2007-02-20 04:14:10 · answer #5 · answered by Anonymous · 0⤊ 0⤋
it's the formula for the circumfrence of a circle.
2 times pi times the radius of the circle
2007-02-20 08:16:42 · answer #6 · answered by adriantheace 4 · 0⤊ 0⤋
2 times 3.14 (pi) which is obviously 6.28 the multiply 6.28 by the radius of a given circle. the radius is haslf the length of the diameter whose endpoints are the center of the circle and a point on the circle not on the interior of the circle
2007-02-20 04:22:38 · answer #7 · answered by undine 2 · 0⤊ 0⤋
the length of a circle with radius r
pi=3.14159
2007-02-20 04:11:50 · answer #8 · answered by bily7001 3 · 0⤊ 0⤋
2Ïr is the circumference of a circle of radius r.
2007-02-20 04:28:51 · answer #9 · answered by irfan 3 · 0⤊ 0⤋