99.9k views
1 vote
The area of circle C is 64pi ft. What is the value of r

2 Answers

6 votes

Answer:

8

Explanation:

User Sanilunlu
by
5.3k points
1 vote

Answer:

The radius is 8 ft

Explanation:

The area of a circle is given by

A = pi r^2

64 pi = pi r^2

Divide each side by pi

64 pi /pi= pi/pi r^2

64 = r^2

Take the square root of each side

sqrt(64) = sqrt(r^2)

8 = r

User Geof
by
5.5k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.