how many diagonals are there in a Polygon having 12 sides Question how many diagonals are there in a Polygon having 12 sides in progress 0 Math Luna 3 weeks 2021-09-07T03:33:50+00:00 2021-09-07T03:33:50+00:00 1 Answer 0 views 0

## Answers ( )

Answer:54 diagonals

Step-by-step explanation:The equation for finding number of diagonals in a n-sided polygon is,

n(n-3)/2For 12 sided polygon, number of diagonals is= 12(12-3)/2 =54.

One more simple example, we can check with our most familiar polygon

In a square ( n=4), number of diagonals = 4(4-3)/2 = 2.

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