The number of rectangles that can be ...

The number of rectangles that can be obtained by joining four of the twelves verties of a 12-sides regular polygon is -

A

`66`

B

`30`

C

`24`

D

`15`

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Verified by Experts

The correct Answer is:

D

`(d)` Number of diagonals passing through centre `=6`
Number of rectangles `="^(6)C_(2)=15`

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