Four concentric circles are given. The radius of 1st circle is x. Next is 2x, then 3x and 4x. Given that area between 2nd and 1st is A and 4th and 3rd circles being B. Find ratio of A to B



Four concentric circles are given. The radius of 1st circle is x. Next is 2x, then 3x and 4x. Given ..

Answer / Jitendra Kumar Singh

(this problem requires knowledge of the formula for calculating areas of sectors to solve)

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