Repository of recommendations and tips

# What is a decagon in math?

## What is a decagon in math?

A decagon is a ten-sided polygon. In particular, a decagon with vertices equally spaced around a circle and with all sides the same length is a regular polygon known as a regular decagon.

### What do you mean by decagon explain?

: a plane polygon of 10 angles and 10 sides.

What is a nonagon shape?

A nine sided shape is a polygon called a nonagon. It has nine straight sides that meet at nine corners. The word nonagon comes from the Latin word “nona”, meaning nine, and “gon”, meaning sides. So it literally means “nine sided shape”.

How many triangles make up a decagon?

8 triangles
There are 8 triangles in a decagon.

## What is an irregular nonagon?

Irregular nonagon A nonagon in which all sides are not equal and all angles are not equal. The measure of its angles are different but total sum of all its interior angles is always 1260°.

### What is the side of decagon?

ten sides
A decagon can be defined as a polygon having ten sides, ten interior angles and ten vertices.

Is a five point star a decagon?

A regular star pentagon, {5/2}, has five corner vertices and intersecting edges, while concave decagon, |5/2|, has ten edges and two sets of five vertices. …

What does a nonagon look like?

A regular nonagon is a nine-sided shape with equal sides and equal angles of 140 degrees each. Each interior angle measure of a regular nonagon is 140 degrees.

## What is a Heptagon shape?

Heptagon is a polygon ( a closed shape made up of line segments) made up of 7 sides and 7 angles. The word heptagon is made up of two words, hepta meaning seven and gon meaning sides.

### What kind of sides does a decagon have?

A decagon has ten straight sides and ten vertices (corners). It has ten angles inside it that add up to 1440°.

What is an example of a decagon in real life?

Example. A decagon with side length 5 cm has area of = 5/2 (25)√5 + 2√5 = 192.36 cm 2

What does a decagon look like?

A decagon is a polygon whose internal angle is 1440°. A regular decagon is a decagon that looks like what is in the right (with a side length of 260px).

## How much sides has a decagon have?

Decagon is a polygon with ten vertices (corners) and ten edges (sides). Regular decagon has all sides of equal length and all angles of equal measure.