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(-6, 4)
(2, -1)
(-4, -4)
(2, -9)

do you know the standard form equation of the circle ?

Do you mean the distance?

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yes same equation for both

Yyeah, I can't understand how to calculate that, I do know the d formula tho ;v;

use the formula area of a circle \[\huge\rm A= \pi r^2\] to find r (radius )

is (y-k) also supposed to be ^2? So is h=2 and k=4??

yes right forgot sorry about that \[\huge\rm (x-h)^2 +(y-k)^2=r^2\]

yes right h=2 k =4

And I should just try each of the options until one of them is 78.5...?

thanks for tag i was afk alright first you need to find the radius

the given is 78.5 area so substitute a for 78.5 and then solve for r

a?

what do you mean ?

use the formula area of a circle \[\huge\rm A= \pi r^2\] to find radius

Oohhhh 78.5=pir^2 Umm, I assume I divide pi from both sides then?

yes right

25 o.o

So I do 3.14*25^2?

no we need r^2 which is 25
you can check your work 3.14*25^2 iif its equal 78.5 then 25 is correct

It isn't equal to 78.5 .-.

r^2 =25 not r=
so dont' take square of 25

yep!

np :=)goood work!

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