0
12.
There is actually a better answer and much larger answer than 12. The real answer is 54. Just because a dodecagon has 12 sides doesn't mean it has 12 diagonals because you can go either which way. To get a answer for this you can: 1. Multiply 12 and 9. You should get 108. 2. Then divid it by 2. You should get 54.
That is correct: The general rule for a polygon with n sides is that it has n*(n-3)/2 diagonals.
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Earn +20 ptsQ: How many diagonals does a dodecagon have?
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Continue Learning about Other Math
How many diagonals does a undecagon have?
A undecagon has 44 diagonals. A dodecagon has 54 diagonals. An octagon has 20 diagonals. A heptagon has 14 diagonals.
How many diagonals can be drawn from one vertex of dodecagon?
12-3 = 9
How many sides does a dodecagon have?
A dodecagon is a polygon with exactly 12 sides.A dodecagon has 12 sides.12
How many degrees are in a dodecagon?
The interior angles of a dodecagon add up to 1800 degrees.
How many diagonals does a square have?
It has 2 Diagonals!!!
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