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Constructions
Introduction to Euclidean Construction - tools and rules
Printable constructions worksheets
Lines
Copy a line segment
Perpendicular bisector of a line segment
Divide a line segment into n equal segments
Perpendicular to a line at a point on the line
Perpendicular to a line from an external point
Perpendicular to a ray at its endpoint
A parallel to a line through a point (angle copy method)
A parallel to a line through a point (rhombus method)
Angles
Copy an angle
Bisect an angle
Construct a 30° angle
Construct a 45° angle
Construct a 60° angle
Construct a 90° angle (right angle)
Constructing 75° 105° 120° 135° 150° angles and more
Triangles
Triangle, given all 3 sides (sss)
Triangle, given one side and adjacent angles (asa)
Triangle, given two sides and included angle (sas)
Copy a triangle
Equilateral Triangle
Isosceles Triangle, given base and one side
Isosceles Triangle, given base and altitude
30-60-90 right triangle given the hypotenuse
Medians of a Triangle
Triangle Centers and Circles
Incenter of a Triangle
Circumcenter of a Triangle
Centroid of a triangle
Orthocenter of a Triangle
Incircle (inscribed circle) of a Triangle
Circumcircle (circumscribed circle) of a Triangle
Circles, Arcs, Ellipses
Constructing the center of a circle or arc
Finding the center of a circle or arc with any right-angled object
Tangents to a circle through an external point
Tangent to a circle through a point on the circle
Circle through three points
Finding the foci of a given ellipse
Drawing an ellipse with string and pins
Polygons
Hexagon given one side
Hexagon inscribed in a circle
Pentagon inscribed in a circle
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