Question

Use the illustration below to calculate the circumference of the circle.

Answer 1

count the units on the graph across the middle of the circle :)

Answer 2

WHOOPS nevermind misread the question! don't do what i said!

Answer 3

\[C = 2pir\]

Answer 4

so count the lines from the center of the circle to the outer edge to get the radius, and then multiply that by 2 pi

Answer 5

Okay just a sec..

Answer 6

11.56?

Answer 7

do you mean 12.56? That's what i got.

Answer 8

(Most places will also accept the uncalculated form in terms of pi, in which case you could just say 4 pi)

Answer 9

OKay I see...! Thanks!! 12.56~

Answer 10

No problem! :)