Question

help!

Answer 1

@mathmath333

Answer 2

think about \(1 - \frac {\pi r^2}{4r^2}\)

Answer 3

ie what it means

Answer 4

is it A?

Answer 5

this might be be more helpful

\(1−\frac {πr^2}{(2r)^2} \)

Answer 6

in your question, what is \(\pi r^2\) ?!

Answer 7

and what is \((2r)^2\) ?!

Answer 8

I just explained this to you geny :\

Answer 9

but im confused

Answer 10

i dont get any of this
(2r)2

Answer 11

can you just give it to me in a more simple way to find the formula please