6 Videos for "intersect"

Radii to Tangents  Problem 1
Math › Geometry › Circles
How to calculate the central angle formed by radii to tangents that intersect at a point outside the circle. 
Parallel and Perpendicular Lines  Concept
Math › Algebra › Linear Equations and Their Graphs
How to determine whether lines are parallel, perpendicular, or neither. 
Parallel and Perpendicular Lines  Problem 2
Math › Algebra › Linear Equations and Their Graphs
How to write the equation of a line perpendicular to a given line through a given point. 
Parallel and Perpendicular Lines  Problem 3
Math › Algebra › Linear Equations and Their Graphs
How to write the equation of a line perpendicular to a given line that is not in slope intercept form. 
Perpendicular, Parallel and Skew Lines in Space  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to determine whether two lines in space intersect, and if not, how to determine if they are parallel.