Answer:
r= 3 meter
Let area of this circle be A
A=πr^2= 9π
Let r be the radius of another circle whose area is 9A
A/9A=9π/9πr^2
1/9=1/r^2
so r= 3
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Answer:
r= 3 meter
Let area of this circle be A
A=πr^2= 9π
Let r be the radius of another circle whose area is 9A
A/9A=9π/9πr^2
1/9=1/r^2
so r= 3