The sum of circumference of four small circles of equal radius is equal to the circumference of a bigger circle find the ratio of the area of bigger circle to that of the smaller circle
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Answer:
Let take circumference of small circle as x
circumference of four small circle be 4x
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2
Answer:
area = circumference
πr^2 = 2πr
r^2 = 2r
r =2
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