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

Question

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

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`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

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

4 views Answered 2023-02-05 15:29