145k views
23 votes
The area of a circle is 18.31cm2.find the length of the radius rounded to 2dp

1 Answer

6 votes

Answer:

r = 2.41

r =
\sqrt{(A)/(\pi (22/7)) }

=
\sqrt{(18.31)/(\pi (22/7)) }

= 2.41

User GalloCedrone
by
3.0k points