Question

The area of a circle is 28 in². The length of the radius is _____ in.

3.0

4.2

6.4

8.9

Answer 1

\[Area = \pi r^{2}\]
\[r = \sqrt{\frac{ Area }{ \pi }}\]

Answer 2

28/3.14

Answer 3

what did u get

Answer 4

Yes and then the square root of that.

Answer 5

3.0?

Answer 6

yh 2.98 which is 3

Answer 7

so i am correct