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The number of rectangles that can be obt...

The number of rectangles that can be obtained by joining four of the twelve vertices of a 12-sided regular polygon is 5 K, then the value of K is_____

A

66

B

30

C

24

D

15

Text Solution

Verified by Experts

The correct Answer is:
D
Number of diagonals passing through centre = 6
number of rectangle `= .^(6)C_(2) = 15`
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KVPY PREVIOUS YEAR-KVPY-exercise
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