• #### Duplicating a Line Segment - Problem 1

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

##### Math›Geometry›Constructions
How to duplicate a line segment using a compass and straightedge.
• #### Line Segments - Concept

##### Math›Geometry›Geometry Building Blocks
How to define and label a line segment.
• #### Parametrizing a Line Segment - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to write the parametric equations of a line segment that goes from point A to point B.
• #### Parametrizing a Line Segment - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to find parametric equations of segment AB when A=(3,8) and B=(21,16).
• #### Duplicating a Line Segment - Problem 2

##### Math›Geometry›Constructions
How to construct a triangle given three line segments.
• #### Parametrizing a Line Segment - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to find parametric equations of segment AB when A=(-9,4) and B=(7,-8).
• #### Duplicating a Line Segment - Problem 3

##### Math›Geometry›Constructions
How to construct an equilateral triangle given one segment.
• #### Parametrizing a Line Segment - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to find a parametrization of segment AB that uses s, the distance from point A, as a parameter.
• #### Proportional Segments Between Parallel Lines - Concept

##### Math›Geometry›Similarity
How to prove two triangles are similar using a line parallel to a base.
• #### Proportional Segments Between Parallel Lines - Problem 1

##### Math›Geometry›Similarity
How to find a missing length in a triangle cut by a line parallel to a base.
• #### Proportional Segments Between Parallel Lines - Problem 2

##### Math›Geometry›Similarity
How to find missing lengths created by two parallel lines passing through a triangle.
• #### The Vector Equation of a Line - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to write the vector equation of a line segment given its endpoints.
• #### Constructing a Perpendicular at a Point on a Line - Problem 1

##### Math›Geometry›Constructions
How to construct a square if the perimeter of the square is given as a line segment.
• #### Tangent Segments to a Circle - Problem 3

##### Math›Geometry›Circles
How to calculate the measure of an intercepted arc formed by two tangents drawn from the same point.
• #### Constructing the Perpendicular Bisector - Problem 2

##### Math›Precalculus›Equations of Lines, Parabolas and Circles
How to create a line segment that is 5/4 of a given 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.
• #### Calculating the Midpoint - Problem 2

##### Math›Geometry›Geometry Building Blocks
How to use the endpoints of a line segment and the midpoint formula to find the midpoint of the line segment.
• #### Constructing the Perpendicular Bisector - Problem 2

##### Math›Geometry›Constructions
How to create a line segment that is 5/4 of a given segment.
• #### Constructing the Perpendicular Bisector - Problem 1

##### Math›Geometry›Constructions
How to draw a perpendicular bisector of a line segment using a compass and straightedge.