Question

hi!
http://prntscr.com/6vtd18

Answer 1

\[A=\pi r ^{2}\]

Answer 2

And another hint, your radius is 7

:)

Answer 3

Use my formula. it appears that @TheSmartOne accidentally provided you with the formula for circumference :)

Answer 4

To solve this, plug the value that you're given, radius=7, into the equation and use a calculator to solve

Answer 5

Okay so i got 153.9

Answer 6

oopsies.

Answer 7

Does that seem right?

Answer 8

looks great! :) nice work

Answer 9

Thanks :)