50.6k views
7 votes
The circumference of a circle is 25π cm. What is the area, in square centimeters? Express your answer in terms of \piπ.

PLS PUT A CORECT ANSWER

2 Answers

3 votes
Other guy is correct
User FrankSharp
by
7.8k points
9 votes

Answer:

A = 156.25 pi cm^2

Explanation:

The circumference of a circle is given by

C = 2 * pi *r

25 pi = 2 * pi *r

Divide each side by 2 pi

25 pi/2 pi = 2 pi r / 2 pi

12.5 = r

We can find the area by

A = pi r^2

A = pi ( 12.5) ^2

A = 156.25 pi cm^2

User Metropolis
by
7.7k points