Question

i dont understand this question can someone help me plz

Answer 1

c 40

Answer 2

coz if u use this pir^2/2pir = 20 and then u cancel it u get r/2=20 then r=40

Answer 3

the formulas for finding area and circumference

Answer 4

do u get it?

Answer 5

no

Answer 6

how did u get the radius

Answer 7

well in the question the area which is M we can write as \[\pi\]r^2 and then N is the circumference and we know that the formula is 2\[\pi\]r right?

Answer 8

why can we write m as pi is it not the area?

Answer 9

it is i wrote pir^2 but i dnt no y wen i post it , it didnt turn out rite

Answer 10

/what do we get if we divide a circles area by its circumfrence

Answer 11

if we divide the formulas we get r/2

Answer 12

i am confused