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Q: How many diagonals can be drawn from one vertex of dodecagon?

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how many diagonals from a vertex a heptagon have

98

5 triangles are formed.

If you mean "How many diagonals can be drawn from one vertex of a figure with 16 sides", the formula is n-3, where "n" being the number of sides of the figure. So 16-3 = 13 diagonals that can be drawn from one vertex.

13 The correct answer is 12. From any one vertex, you can draw a diagonal to all but 3 vertices: the vertex itself and the next vertex on either side of your vertex (these would be sides of your shape, not diagonals).

Related questions

If all of the diagonals are drawn from a vertex of an octagon, how many triangles are formed

Three

Depends on the shape.

3

It is 18 diagonals

A diagonal of a polygon is a segment drawn from one vertex to another non-adjacent vertex in a polygon. This leaves 32 diagonals that can be drawn from one vertex in a 35 sided polygon.

n-3 from each vertex.

36

5

4

17

A regular 12 sided dodecagon has 54 diagonals.

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