The ratio of the radii of two circles is 1 : 3. Then the ratio of their areas is : Options: A . &nbsp1 : 3 B . &nbsp1 : 6 C . &nbsp1 : 9 D . &nbspNone of these

The ratio of the radii of two circles is 1 : 3. Then the ratio of their areas is

Question

The ratio of the radii of two circles is 1 : 3. Then the ratio of their areas is :

Options:

A . 1 : 3

B . 1 : 6

C . 1 : 9

D . None of these

Answer: Option C

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