If a circle has the diameter of 8, what is the circumference?
6.28
12.56
25.13
50.24
100.48
2006-09-18 13:15:33 · 12 answers · asked by LOLO 1 in Science & Mathematics ➔ Mathematics
25.13
2006-09-18 13:20:17 · answer #1 · answered by Anonymous · 1⤊ 1⤋
The formula for finding the circumference is multiply the diameter times Pi or 3.1417. So 8 times 3.14 is around 25 or your anwer 25.13
2006-09-18 13:22:47 · answer #2 · answered by science teacher 7 · 0⤊ 0⤋
The distance around a circle is called the circumference. The distance across a circle through the center is called the diameter.
Solution: C = d * pi
= 8 * 3.1416
= 25.1328
2006-09-18 13:30:16 · answer #3 · answered by aldimca 2 · 0⤊ 0⤋
Diameter is 8. Multiply diameter by pi (3.14) to get circumference.
8*3.14=slightly more than 24, right? 25.13 sounds right.
2006-09-18 13:20:15 · answer #4 · answered by Anonymous · 2⤊ 1⤋
C = 2 * pi * r = pi *d
C = 8*pi = 8*3.14 = 25.13
2006-09-18 13:24:30 · answer #5 · answered by questionasker 2 · 0⤊ 0⤋
All the above answers are great.
I'm only answering because I hate when bad information gets put on the web as fact and it confuses people.
The "Science Teacher" said pi was 3.1417 and while all of these are approximations - the first digits are actually 3.14159.
Other acceptable estimations throughout time have been:
22/7
3
3.14
See as many digits of pi as you want here: http://www.angio.net/pi/piquery#find
2006-09-18 13:26:53 · answer #6 · answered by goodlittlegirl11 4 · 0⤊ 0⤋
Get out your calculator and multiply the diameter by pi.
2006-09-18 13:17:33 · answer #7 · answered by Joy M 7 · 1⤊ 1⤋
the circumference is always the diamiter times pi or 3.14
2006-09-18 13:18:44 · answer #8 · answered by Sniper 4 · 1⤊ 1⤋
25.13
2006-09-18 13:28:12 · answer #9 · answered by bruinfan 7 · 0⤊ 0⤋
25.13
2006-09-18 13:24:43 · answer #10 · answered by Abelard 3 · 0⤊ 0⤋