• #### Vectors and Planes - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to find a vector normal (perpendicular) to a plane given an equation for the plane.
• #### The Angle Between Planes - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to find the angle between planes, and how to determine if two planes are parallel or perpendicular.
• #### The Angle Between Planes - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to determine if two planes are parallel or perpendicular.
• #### The Angle Between Planes - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to find an equation of a plane parallel to or perpendicular to a given plane.
• #### The Angle Between Planes - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to find the angle between two planes.
• #### Vectors and Planes - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to find a vector and a rectangular equation for a plane given a normal vector of the plane and one point in the plane.
• #### Components of a Force - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to find the components of the weight of a block parallel to and perpendicular to the surface of an inclined plane.
• #### Components of a Force - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to use the component of an object's weight parallel to the surface of an inclined plane to find the weight of the object.
• #### The Cross Product of Vectors - Problem 3

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to find the equation of a plane that contains three given points.
• #### The Midpoint and Distance Formulas in 3D - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to find the equation of the set of points equidistant from two given points.
• #### Locus and Definition of a Circle and Sphere - Problem 1

##### Math›Geometry›Circles
How to find the locus of points that are equidistant from the endpoints of a segment.