181k views
0 votes
The area of a circle is 4pie cm2. What is the circumference, in centimeters? Express

your answer in terms of .

User JRM
by
4.1k points

1 Answer

5 votes

Answer:

4
\pi

Explanation:

A =
\pi
r^(2)

A = 4
\pi
cm^(2)

4
\pi =

4 =
r^(2)

2 = r

C = 2
\pir

C = 2(2)
\pi

C = 4
\pi

User Reedvoid
by
4.6k points