Question

solve it ...........​

Answer 1

Answer: B 2:1

Step-by-step explanation:

Answer 2

2:1 is your answer .....

here is your solution

area of circle = pir^2

area of two circle are given =4:1

so,

area of first circle = pie r1^2

& area of second circle =pi r2^2

therefor ,

pie r1^2/pie r2^2 = 4/1 (pie by pie is cancil)

r1^2=4/r2^2=1

r1= 2 & r2= 1

in the ratio your answer is 2:1

$thanks$