Well as we know that pi is used to find area by multiplying the radius squared times pi also that pi is used to find area and circumference of a circle. Pi r squared..

Thank you so so much!!!

Thanks!

Thank so much!!!! That's so awesome

ok thanks!!

so number 4 would be A?? or am i reading it backwards and it should be C??

Thanks!!

Thank you!!

Thanks so much!!

Yes thanks as well!

Well I have a few more questions..

Alright thanks both of you for your help!! :)

And so it's -7??

0.16?

And so the other answers are right, right?

Thank you! :)

Oh ok thanks!!