6 Videos for "triangle vectors"

The Angle Between Vectors  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to compute one of the angles of a triangle when you are given the coordinates of its three vertices. 
Area With the Cross Product  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a triangle in the xyplane using vectors formed from two of its sides. 
Area With Determinants  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a triangle using a determinant. 
Area With Determinants  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to use the triangle area formula to test three points for collinearity. 
Area With the Cross Product  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a triangle in xyzspace using vectors formed from two of its sides. 
Area With Determinants  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of an irregular quadrilateral using determinants.