An eighteen sided shape is called a Octadecagon, or a Octakaidecagon.
Provided we are talking about a 2D figure with straight sides, it is an octadecagon.
The name of a 18 sided polygon is Octadecagon.
An octadecagon is an 18 sided polygon.
For an 18-sided polygon (octadecagon), the formula to calculate the interior angle is ((n-2) \times 180° / n), where (n) is the number of sides. Substituting (n = 18), the interior angle is ((18-2) \times 180° / 18 = 160°). The exterior angle can be found using the formula (360° / n), which gives (360° / 18 = 20°). Therefore, each interior angle is 160° and each exterior angle is 20°.
An eighteen sided shape is called a Octadecagon, or a Octakaidecagon.
An eighteen-sided shape is called an octakaidecagon, or octadecagon.
Provided we are talking about a 2D figure with straight sides, it is an octadecagon.
A regular octadecagon (an eighteen sided polygon) would have nine diagonals.
The name of a 18 sided polygon is Octadecagon.
An octadecagon is an 18 sided polygon.
An eighteen-sided polygon is called an octadecagon or octakaidecagon, from the Greek words okta, meaning 8, the modifier -kai-, the word deka, meaning 10, and the suffix -gon, meaning angle.
octadecagon
The name of a 18 sided polygon is Octadecagon.
The name of a 18 sided polygon is Octadecagon.
octadecagon or octakaidecagon
An 18-sided polygon is called an octadecagon or an octakaidecagon.