Find the circumference of the circle whose area is 16 times the area of the circle with radius of 3cm
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area of the cicrlc=πr^2
radius= 3cm
area of the circle = 22÷7×3×3=28.28
16th times of area of the circle =circumference of the circle
so the circumference of circle is 16× 28.28=452.48
radius= 3cm
area of the circle = 22÷7×3×3=28.28
16th times of area of the circle =circumference of the circle
so the circumference of circle is 16× 28.28=452.48
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