How many edges are there in a dodecagon?

12Dodecagon / Number of edges

How many diagonals can be drawn from a vertex of a dodecagon?

A dodecagon has 54 diagonals.

Is a dodecagon 12 sides?

A dodecagon is a 12-sided polygon. Several special types of dodecagons are illustrated above. In particular, a dodecagon with vertices equally spaced around a circle and with all sides the same length is a regular polygon known as a regular dodecagon.

How many faces does a dodecagon have?

Dodecahedrons Have 12 Pentagonal Faces Dodecahedrons (pronounced dow·deh·kuh·hee·druhns) are three-dimensional bodies containing a dozen flat faces — all shaped like pentagons.

How many diagonals can be in a decagon?

35
A regular decagon has all sides of equal length and each internal angle will always be equal to 1440 as shown in figure. (n-3) multiply by the number of vertices and divide by 2. So the number of diagonals in a decagon are 35. So this is the required answer.

How many diagonals are in a dodecahedron?

A regular dodecahedron or pentagonal dodecahedron is a dodecahedron that is regular, which is composed of 12 regular pentagonal faces, three meeting at each vertex. It is one of the five Platonic solids. It has 12 faces, 20 vertices, 30 edges, and 160 diagonals (60 face diagonals, 100 space diagonals).

How many diagonals make a decagon?

So the number of diagonals in a decagon are 35.

What has 12 sides and 12 angles?

dodecagon
A 12 sided shape is a polygon called a dodecagon. Basically, a dodecagon is a polygon made up of 12 sides, 12 angles, and 12 vertices.

How do you find the diagonal of a decagon?

The diagonals of a decagon are found by using the formula n(n-3) ÷ 2, where n is a number of sides that is 10. So, 10(10-3) ÷ 2 = 35.

How many triangles are in a dodecagon?

For each side of the 12-gon, there are 12-4=8 non-adjacent vertices which you can use to form a triangle, so there are 12*8=96 such triangles.