How to Draw an Easy Square How to Construct a Hexagon

Regular hexagon, given one side

How to construct a regular hexagon given one side. The construction starts by finding the center of the hexagon, then drawing its circumcircle, which is the circle that passes through each vertex. The compass then steps around the circle marking off each side.

Printable step-by-step instructions

The above animation is available as a printable step-by-step instruction sheet, which can be used for making handouts or when a computer is not available.

Explanation of method

This construction is very similar to Constructing a hexagon inscribed in a circle, except we are not given the circle, but one of the sides instead. Steps 1-3 are there to draw this circle, and from then on the constructions are the same.

The center of the circle is found using the fact that the radius of a regular hexagon (distance from the center to a vertex) is equal to the length of each side. See Definition of a Hexagon.

Proof

The image below is the final drawing from the above animation.

Argument Reason
1 ABCDEF is a hexagon It is a polygon with six sides. See Definition of a Hexagon.
2 AB, BC, CD, DE, EF, FA are all congruent. Drawn with the same compass width AF.
3 A, B, C, D, E, F all lie on the circle O By construction
4 ABCDEF is a regular hexagon From (1), (2). All its vertices lie on a circle, and all sides are congruent. This defines a regular hexagon. See Regular polygon definition and properties

- Q.E.D

Try it yourself

Click here for a printable worksheet containing two problems to try. When you get to the page, use the browser print command to print as many as you wish. The printed output is not copyright.

Other constructions pages on this site

  • List of printable constructions worksheets

Lines

  • Introduction to constructions
  • Copy a line segment
  • Sum of n line segments
  • Difference of two line segments
  • Perpendicular bisector of a line segment
  • Perpendicular at a point on a line
  • Perpendicular from a line through a point
  • Perpendicular from endpoint of a ray
  • Divide a segment into n equal parts
  • Parallel line through a point (angle copy)
  • Parallel line through a point (rhombus)
  • Parallel line through a point (translation)

Angles

  • Bisecting an angle
  • Copy an angle
  • Construct a 30° angle
  • Construct a 45° angle
  • Construct a 60° angle
  • Construct a 90° angle (right angle)
  • Sum of n angles
  • Difference of two angles
  • Supplementary angle
  • Complementary angle
  • Constructing  75°  105°  120°  135°  150° angles and more

Triangles

  • Copy a triangle
  • Isosceles triangle, given base and side
  • Isosceles triangle, given base and altitude
  • Isosceles triangle, given leg and apex angle
  • Equilateral triangle
  • 30-60-90 triangle, given the hypotenuse
  • Triangle, given 3 sides (sss)
  • Triangle, given one side and adjacent angles (asa)
  • Triangle, given two angles and non-included side (aas)
  • Triangle, given two sides and included angle (sas)
  • Triangle medians
  • Triangle midsegment
  • Triangle altitude
  • Triangle altitude (outside case)

Right triangles

  • Right Triangle, given one leg and hypotenuse (HL)
  • Right Triangle, given both legs (LL)
  • Right Triangle, given hypotenuse and one angle (HA)
  • Right Triangle, given one leg and one angle (LA)

Triangle Centers

  • Triangle incenter
  • Triangle circumcenter
  • Triangle orthocenter
  • Triangle centroid

Circles, Arcs and Ellipses

  • Finding the center of a circle
  • Circle given 3 points
  • Tangent at a point on the circle
  • Tangents through an external point
  • Tangents to two circles (external)
  • Tangents to two circles (internal)
  • Incircle of a triangle
  • Focus points of a given ellipse
  • Circumcircle of a triangle

Polygons

  • Square given one side
  • Square inscribed in a circle
  • Hexagon given one side
  • Hexagon inscribed in a given circle
  • Pentagon inscribed in a given circle

Non-Euclidean constructions

  • Construct an ellipse with string and pins
  • Find the center of a circle with any right-angled object

robinsonbhars1951.blogspot.com

Source: https://www.mathopenref.com/consthexagon.html

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