The area of a circle is less than 64 pi. Which of the following can be the circumference of the circle?
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please write option also..
here is your answer ...
area of circle = πr^2
64π = π r^2
64π/ π = r^2
64 = r^2
8 = r
circumference of circle = 2πr
= 2×22/7×8
= 352/7 ...
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