Question

Calculate the circumference of a circle with diameter 7.5.
11.78
23.56
23.57
47.12

Answer 1

\[\large C=\pi d\]
C=Circumference of a circle
d=diameter

Answer 2

c = 23.55
but that is not an answer for the question :(

Answer 3

well, maybe it's 23.56... what with all the rounding off

Answer 4

http://www.wolframalpha.com/input/?i=%CF%80+times++7.5

Answer 5

if you leave the result given to two decimal places, you get 23.57

Answer 6

i meant you get about 23.57....

Answer 7

Pi is neither 3.14 or 22/7. Pi is approximately these. Pi is 3.14159265... . Multiply this by 7.5 and get 23.5619... . It is B(23.56)