## anonymous one year ago 1.) What is the circumference of the given circle in terms of pi? http://assets.openstudy.com/updates/attachments/55bd6c18e4b0c4d93d6c3ab2-lollygirl217-1438537572204-as.jpg 2.) 2.) What is the area of the given circle in terms of pi? http://assets.openstudy.com/updates/attachments/55bd6c18e4b0c4d93d6c3ab2-lollygirl217-1438537771194-as.jpg

1. anonymous

@amistre64 @ganeshie8

2. amistre64

whats going to be our formulas for these?

3. anonymous

Who knows.

4. amistre64

you, hopefully ... if not, then you need to find them

5. anonymous

Well everyone that needs to be said is here

6. anonymous

everything *

7. anonymous

if $$r$$ is the radius of a circle, then the area is $$A=\pi r^2$$

8. anonymous

circumference is $$C=2\pi r$$

9. anonymous

Mhm

10. anonymous

Can you just walk it through with me?

11. anonymous

@phi

12. phi

For Q1, satellite posted a formula you can use which formula should we use if we want to find the circumference?

13. anonymous

I don't know T.T