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Hexagon Sides and Angles: A Comprehensive Guide

Gregory Jul 05, 2026

Many people first encounter the question how many sides and angles does a hexagon have while sketching shapes for a math class, a design project, or a casual puzzle.

the interior angles of regular polygons worksheet is shown in this diagram
the interior angles of regular polygons worksheet is shown in this diagram

A hexagon is a polygon with six straight sides, and those sides create six interior angles that together follow a consistent rule found in every simple, flat hexagon.

Hexagon Shape - Sides of Hexagon | Regular Hexagon | Angles of Hexagon
Hexagon Shape - Sides of Hexagon | Regular Hexagon | Angles of Hexagon

Basic definition and immediate answer

The most direct response to how many sides and angles does a hexagon have is that it always has six sides and six angles.

the worksheet for shapes and their names
the worksheet for shapes and their names

Because the word hexagon comes from Greek, with hexa meaning six and gon meaning angle or corner, this naming already hints at the structure you are about to analyze.

Understanding the side count

Google Image Result for https://mathmonks.com/wp-content/uploads/2020/07/Properties-of-a-Hexagon.jpg
Google Image Result for https://mathmonks.com/wp-content/uploads/2020/07/Properties-of-a-Hexagon.jpg

In geometry, a side is a straight line segment that connects two vertices, and in a hexagon these segments form a closed loop without crossing itself in the standard version.

Whether the hexagon is drawn as a perfect regular shape with equal sides or as an irregular version with varying lengths, the count of sides remains fixed at six.

Understanding the angle count

How to Calculate the Area of a Hexagon? Explain with Examples
How to Calculate the Area of a Hexagon? Explain with Examples

An angle appears at each vertex where two sides meet, and since there are six vertices, there must be six interior angles in total.

In a regular hexagon, where symmetry is perfect, every interior angle measures 120 degrees, yet the angle count does not change even if the shape looks distorted.

Regular versus irregular hexagons

8th Grade Geometry Worksheet: Area of Regular Hexagons
8th Grade Geometry Worksheet: Area of Regular Hexagons

Exploring how many sides and angles does a hexagon have becomes richer when you compare the predictable regular form with the flexible irregular versions.

Regular hexagons are highly symmetrical, while irregular hexagons still obey the same side and angle count but allow variation in size and shape.

Interior angles
Interior angles
Shapes for kids: Hexagons
Shapes for kids: Hexagons
Exterior Angle Sum Explained | Easy Polygon Geometry Guide for Students
Exterior Angle Sum Explained | Easy Polygon Geometry Guide for Students
Regular Polygon Problems, 3
Regular Polygon Problems, 3
10 Area common to three squares inside the regular hexagon
10 Area common to three squares inside the regular hexagon
the shapes and sizes of polygonics are shown in this table, which shows how to
the shapes and sizes of polygonics are shown in this table, which shows how to
Awesome Interior Angles Of A Hexagon Formula And Review
Awesome Interior Angles Of A Hexagon Formula And Review
the diagram shows how to make a hexagonal object with two sides and one end
the diagram shows how to make a hexagonal object with two sides and one end
Interior Angles of Regular Polygons
Interior Angles of Regular Polygons
Finding the Area of a Regular Hexagon with Side Length 7
Finding the Area of a Regular Hexagon with Side Length 7
an octagon is shown with numbers on it
an octagon is shown with numbers on it
Finding Hexagons | Worksheet | Education.com
Finding Hexagons | Worksheet | Education.com
a hexagon is a side polygon with interior angles that add to 70 degreess
a hexagon is a side polygon with interior angles that add to 70 degreess
the properties of polygons are shown in this poster, which shows how many different shapes
the properties of polygons are shown in this poster, which shows how many different shapes
Perspective Hexagons
Perspective Hexagons
How to Cut a Hexagon With a Table Saw | ehow.com
How to Cut a Hexagon With a Table Saw | ehow.com
three dimensional polygons are shown with the same number of sides in each triangle
three dimensional polygons are shown with the same number of sides in each triangle
Interior Angles of Polygons
Interior Angles of Polygons
Area of polygons
Area of polygons
an octagon is shown with three intersecting lines in the center and four points on each side
an octagon is shown with three intersecting lines in the center and four points on each side

Properties of a regular hexagon

In a regular hexagon, all six sides are equal in length, and all six interior angles are exactly 120 degrees, making calculations for perimeter and area straightforward.

This uniformity is why the regular hexagon appears in nature, such as in honeycomb patterns, because it tiles a plane efficiently without gaps.

Properties of an irregular hexagon

An irregular hexagon still has six sides and six angles, but the sides can differ in length and the angles can vary widely as long as the shape remains closed.

Designers and architects sometimes use irregular hexagons to create visually interesting patterns while preserving the fundamental structure of six-sided geometry.

Angle sum and geometric rules

Beyond counting, it is helpful to know that the sum of the interior angles in any simple hexagon is always the same, following a rule derived from polygon formulas.

You can find this total by dividing the hexagon into triangles, and the consistent result helps verify drawings and solve more advanced geometry problems.

Sum of interior angles

The formula for the sum of interior angles in an n-sided polygon is n minus 2 multiplied by 180 degrees, so for a hexagon this becomes six minus 2 times 180.

This calculation shows that the six interior angles together add up to 720 degrees, a fact that holds whether the hexagon is regular or irregular.

Exterior angles and their role

Another useful concept is the exterior angle, formed by extending one side of the hexagon outward, and the sum of these exterior angles is always 360 degrees for any convex polygon.

Understanding both interior and exterior angles deepens your grasp of how the six sides interact and why the hexagon behaves as it does in tessellations and structural designs.

Grasping that a hexagon consistently has six sides and six angles opens the door to appreciating its symmetry, applications in art and engineering, and the elegant rules that govern polygons far beyond this simple shape.