Question

find the circumference of a circle if the area is 81pi m^2 use 3..14 for pi and round your answer to the nearest tenth

Answer 1

Answer: C=2πr

Step-by-step explanation:

Answer 2

Answer:

9 cm.

Step-by-step explanation:

We are given that the area of a circle is 81π cm2. 81 π c m 2 . Hence the radius of the given circle is 9 cm.