the ratio of areas of two wheels is 25 : 49. find the ratio of their radii.

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Question

the ratio of areas of two wheels is 25 : 49. find the ratio of their radii.

Options:

A . 5 : 7

B . 4 : 9

C . 3 : 2

D . 2 : 7

Answer: Option A
Explanation :

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