Question

The area of circle is 32pi. what's the circumference

Answer 1

Hint: if it's are is 32pi, can you find the radius?

Answer 2

\[A_{\text{circle}}=\pi r^2\]
\[C=2\pi r\]

Answer 3

r^2=32 is it right

Answer 4

how to get the r

Answer 5

right , now take the square root to get r

Answer 6

r=sqrt 32

Answer 7

4 sqrt 2

Answer 8

yep, now you can plug this into the formula for the circumference

Answer 9

35.5 units

Answer 10

Thank you so much for helping me

Answer 11

you've got the right answer

Answer 12

\[C=2\pi\times 4\sqrt 2\]\[=8\sqrt2\pi\]\[\approx 35.54\]

Answer 13

Thanks