What is the area of a dodecagon?

The Area of a Dodecagon formula, (A_dodecagon=3(2+√3)•s²), computes the area of a regular dodecagon, a polygon with 12 equal sides of length (s).

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Correspondingly, what is the area of a 12 sided polygon?

Area of a Regular Dodecagon For a regular dodecagon with sides s, the area formula is: A = 3 × (s)^2 × (2 + √3)

Beside above, what is the number of sides of a dodecagon? 12

Keeping this in view, what is the side of Dodecagon?

The term dodecagon is derived from the Greek language, where dodeca means twelve and gono stands for angle. This means a dodecagon has twelve angles and as such also has twelve sides. This figure is a polygon which, incidentally, is also word that comes from this ancient language and means 'figure with many angles.

What is the area of the polygon?

To find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothem. Here is what it means: Perimeter = the sum of the lengths of all the sides. Apothem = a segment that joins the polygon's center to the midpoint of any side that is perpendicular to that side.

Related Question Answers

What is a 11 sided shape called?

In geometry, a hendecagon (also undecagon or endecagon) or 11-gon is an eleven-sided polygon. (The name hendecagon, from Greek hendeka "eleven" and –gon "corner", is often preferred to the hybrid undecagon, whose first part is formed from Latin undecim "eleven".)

What is a 15 sided polygon called?

Convex, cyclic, equilateral, isogonal, isotoxal. In geometry, a pentadecagon or pentakaidecagon or 15-gon is a fifteen-sided polygon.

What is a 100 sided shape called?

Polygons are named after the number of sides that they have. A 100-sided polygon is called a hectogon. Take the hundreds digit, find it on the column for ones digits, then stick a "hecta" to its right. Now number off the tens and ones like above: (hundreds)hecta(tens)kai(ones)gon .

What is a 21 sided shape called?

Originally Answered: What is a 21 sided polygon called? Greek for 21: Είκοσι καί ένα (Icosi kai hena = Twenty and one), but also just: Είκοσι ένα (Icosi hena = Twenty one). A polygon with 21 sides is therefore called a: Icosikaihenagon, but also a Icosihenagon.

What do you call a 18 sided polygon?

Octadecagon. An 18-sided polygon, sometimes also called an octakaidecagon.

What is a 20 Gon?

In geometry, an icosagon or 20-gon is a twenty-sided polygon. The sum of any icosagon's interior angles is 3240 degrees.

How do you find the area of shapes?

To find the area of a square or rectangle, just multiply the width of the shape by its height. To find the area of a circle, start by measuring the distance between the middle of the circle to the edge, which will give you the radius. Then, square the radius and multiply it by pi to find the area.

Is a circle a polygon?

Polygons. A polygon is a closed plane figure with three or more sides that are all straight. The following figure is not a polygon as it is not a closed figure. A circle is not a polygon as it does not have straight sides.

What is a 12 sided shape called?

Convex, cyclic, equilateral, isogonal, isotoxal. In geometry, a dodecagon or 12-gon is any twelve-sided polygon.

What is a 9 sided shape called?

Nonagon. In geometry, a nonagon (/ˈn?n?g?n/) or enneagon (/ˈ?ni?g?n/) is a nine-sided polygon or 9-gon.

What is a 12 sided 3d shape called?

Rhombo-triangular- In geometry, a dodecahedron (Greek δωδεκάεδρον, from δώδεκα dōdeka "twelve" + ?δρα hédra "base", "seat" or "face") is any polyhedron with twelve flat faces. The most familiar dodecahedron is the regular dodecahedron, which is a Platonic solid.

What is a 13 sided shape called?

In geometry, a tridecagon or triskaidecagon or 13-gon is a thirteen-sided polygon.

What is a 6 sided shape called?

In geometry, a hexagon (from Greek ?ξ hex, "six" and γωνία, gonía, "corner, angle") is a six-sided polygon or 6-gon. The total of the internal angles of any simple (non-self-intersecting) hexagon is 720°.

What is a 7 sided polygon?

In geometry, a heptagon is a seven-sided polygon or 7-gon. The heptagon is sometimes referred to as the septagon, using "sept-" (an elision of septua-, a Latin-derived numerical prefix, rather than hepta-, a Greek-derived numerical prefix; both are cognate) together with the Greek suffix "-agon" meaning angle.

How do you find interior angles?

A regular polygon is a flat shape whose sides are all equal and whose angles are all equal. The formula for finding the sum of the measure of the interior angles is (n - 2) * 180. To find the measure of one interior angle, we take that formula and divide by the number of sides n: (n - 2) * 180 / n.

How do you find exterior angles?

To find the value of a given exterior angle of a regular polygon, simply divide 360 by the number of sides or angles that the polygon has. For example, an eight-sided regular polygon, an octagon, has exterior angles that are 45 degrees each, because 360/8 = 45.

What is an Gon?

n-gon. A polygon with n sides. For example, an 8-gon is another name for an octagon. See also. Triangle, quadrilateral, pentagon, hexagon, heptagon, nonagon, decagon, undecagon, dodecagon.

Is a star a polygon?

Yes, a star is a polygon. In geometry, a star is a special type of polygon that we call a star polygon. These types of polygons take on the general

What are the names of polygons?

Here is a list of polygon names depending on the number of sides they have, starting with three and ending with ten.

• 3 sides - Triangle.
• 4 sides - Quadrilateral.
• 5 sides - Pentagon.
• 6 sides - Hexagon.
• 7 sides - Heptagon.
• 8 sides - Octagon.
• 9 sides - Nonagon.
• 10 sides - Decagon.