Question

find the radius of a circle with area 400 pie

Answer 1

what is the formula for the area of a circle?

Answer 2

stand aside kiddies. Lien's here to save tha day.

Answer 3

pie x r^2 ?

Answer 4

yep.
so,
\[A=\pi r^2\]
you are given \(A=400\pi\)
we plug it in
\[400\pi=\pi r^2\]solve for "r"

Answer 5

20?

Answer 6

bingo

Answer 7

@studyology Lein's too late

Answer 8

My food was done. you win this round boy. lml

Answer 9

thank you!

Answer 10

yw