Web Results

Perpendicular

en.wikipedia.org/wiki/Perpendicular

If two lines (a and b) are both perpendicular to a third line (c), all of the angles formed along the third line are right ...

Definition of Perpendicular Lines - Math is Fun

www.mathsisfun.com/definitions/perpendicular-lines.html

Perpendicular Lines. more ... Perpendicular Lines. Lines that are at right angles ( 90°) to each other. Try for yourself: See: Parallel Lines. Next.

Intro to parallel & perpendicular lines | Interpreting angles | Khan ...

www.khanacademy.org/math/basic-geo/basic-geo-angles/basic-geo-interpreting-angles/v/parallel-and-perpendicular-lines-intro

Sal discusses how to tell if lines are parallel or perpendicular.

Perpendicular lines from equation | Equations of parallel and ...

www.khanacademy.org/math/geometry/analytic-geometry-topic/parallel-and-perpendicular/v/perpendicular-lines

Sal determines which pairs out of a few given linear equations are perpendicular.

Perpendicular Lines 1 | Coolmath.com

www.coolmath.com/algebra/08-lines/14-perpendicular-lines-01

Let's graph these lines: * I'm using y = mx + b stuff to graph them!

Perpendicular - math word definition - Math Open Reference

www.mathopenref.com/perpendicular.html

Perpendicular definition: Perpendicular simply means 'at right angles'. A line is perpendicular to another if they meet at 90 degrees.

Straight-Line Equations: Parallel and Perpendicular Lines

www.purplemath.com/modules/strtlneq3.htm

Demonstrates how to find parallel and perpendicular equations through a given point.

Slope: Parallel and Perpendicular Lines - Purplemath

www.purplemath.com/modules/slope2.htm

Parallel lines and their slopes are easy. Since slope is a measure of the angle of a line from the horizontal, and since parallel lines must have the same angle, ...

Parallel and perpendicular lines - Homeschool Math

www.homeschoolmath.net/teaching/g/parallel_and_perpendicular.php

This lesson explains what are parallel and perpendicular lines and has varied exercises for the students. The lesson also includes a video where I show how to  ...

Perpendicular Lines - Geometry Made Easy! - Quatr.us

quatr.us/math/geometry/perpendicular.htm

May 6, 2016 ... May 2016 - Two lines are perpendicular if they cross at right angles. You can test this by extending the lines until they cross (if they do not cross ...

Answers
What Are Perpendicular Lines?
In mathematics, a line is an infinitely long one-dimensional object. It has no start or end, continuing on forever without ever changing direction. More colloquially, a "line" is any straight object, even if it does have an end point. The relationship... More »
Difficulty: Easy
Source: www.ehow.com