Question

find the number of diagonals in a dodecagon

Answer 1

A dodecagon is a polygon with 12 sides.

The number of diagonals in dodecagon is n(n-3)/2=12*9//3=54

hope this answer is useful

Answer 2

The dodecagon is a polygon which has 12 sides.

For findin' no. of diagonal = n(n-3) /2

Here, side is represented by the small letter 'n'.

Therefore, diagonals = 12(12-3) /2

= 12(9) /2

= 108 /2

= 54

Therefore, 54 diagonal are there in a dodecagon.

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