The area of a circle is 38.5 cm². Calculate. (a) the radius Question The area of a circle is 38.5 cm². Calculate.(a) the radius in progress 0 Chemistry Tryphena 4 years 2021-08-23T23:18:42+00:00 2021-08-23T23:18:42+00:00 2 Answers 2 views 0
Answers ( )
The Answer is 3.501591994
Explanation:
area of circle = πr^2
radius=
39.5 = 22/7*r^2
r^2 = 7*39.5/22
= 12.56
r=3.5