• #### Duplicating an Angle - Concept

##### Math›Geometry›Constructions
How to duplicate an angle using a compass and straightedge.
• #### Duplicating an Angle - Problem 1

##### Math›Geometry›Constructions
How to duplicate an angle using a compass and straightedge.
• #### Duplicating a Line Segment - Concept

##### Math›Geometry›Constructions
How to duplicate a line segment using a compass and straightedge.
• #### Duplicating a Line Segment - Problem 1

##### Math›Geometry›Constructions
How to double a line segment using a compass and straightedge.
• #### Constructing the Incenter - Concept

##### Math›Geometry›Constructions
How to construct the incenter using a compass and straightedge.
• #### Constructing the Circumcenter - Concept

##### Math›Geometry›Constructions
How to construct the circumcenter using a compass and straightedge.
• #### Constructing the Perpendicular Bisector - Problem 1

##### Math›Geometry›Constructions
How to draw a perpendicular bisector of a line segment using a compass and straightedge.
• #### Constructing the Incenter - Problem 1

##### Math›Geometry›Constructions
How to construct the inscribed circle of a triangle using a compass and straightedge.
• #### Duplicating a Line Segment - Problem 2

##### Math›Geometry›Constructions
How to construct a triangle given three line segments.
• #### Constructing the Circumcenter - Problem 1

##### Math›Geometry›Constructions
How to construct the circumscribed circle of a triangle using a compass and straightedge.
• #### Duplicating a Line Segment - Problem 3

##### Math›Geometry›Constructions
How to construct an equilateral triangle given one segment.
• #### Constructing the Perpendicular Bisector - Problem 1

##### Math›Precalculus›Equations of Lines, Parabolas and Circles
How to bisect a line segment using a compass and straightedge.