A community for students. Sign up today!
Here's the question you clicked on:
← 55 members online
 0 viewing
 one year ago
A circle has an area of 441π cm2. What is the circumference?
a.21π cm
b.42π cm
c.42 cm
d.21 cm
 one year ago
A circle has an area of 441π cm2. What is the circumference? a.21π cm b.42π cm c.42 cm d.21 cm

This Question is Closed

completeidiot
 one year ago
Best ResponseYou've already chosen the best response.0A=pi*r^2 C=2*pi*r

UmmmHELP
 one year ago
Best ResponseYou've already chosen the best response.1Yeah I know but I dont know how to get the circumference from the area

completeidiot
 one year ago
Best ResponseYou've already chosen the best response.0since you have the area of a circle, then you can find the radius of the circle once you determine the radius of the circle, you can then use it to calculate the circumference of the circle
Ask your own question
Ask a QuestionFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.