# How to know if lines are parallel

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## How do you know if lines are parallel perpendicular or neither?

## Which lines are parallel if?

Two

**lines**cut by a transversal are**parallel if**and only**if**alternate interior angles are congruent. supplementary, then the**lines are parallel**.## How do you find a parallel line to an equation?

## How do you solve parallel lines and Transversals?

## Do parallel lines have same equation?

Explanation:

**Parallel lines have**the**same**slope and differing y-intercepts. Since \displaystyle y = 9x + 5 is the only**equation**with the**same**slope, and the y-intercept is different, this is the**equation of the parallel line**.## How many solutions do parallel lines have?

When the

**lines**are**parallel**, there are no**solutions**, and sometimes the two equations will graph as the same**line**, in which case we**have**an**infinite**number of**solutions**. Some special terms are sometimes used to describe these kinds of systems.## How do you find parallel lines with one point?

## Do parallel lines intersect?

**Parallel lines**are

**lines**in a plane that are always the same distance apart.

**Parallel lines**never

**intersect**.

## Which two lines are equidistant and will never meet?

Parallel

**lines are equidistant lines**(**lines**having**equal distance**from each other) that**will never meet**.## When can two lines become parallel?

Note that

**two lines are parallel**if their slopes**are**equal and they have different y-intercepts. In other words, perpendicular slopes**are**negative reciprocals of each other.## What do parallel lines look like?

**Parallel lines look like**railroad tracks: they are always the same distance apart, running next to each other. The

**lines do**intersect. Next, determine if the

**lines**intersect at a right angle. The

**lines do**not intersect at a right angle.

## What happens when 2 lines are parallel?

**Two lines are parallel**if they have the same slope, or if they are vertical. If

**two parallel lines**form a system, there are no solutions to the system. If

**lines**intersect, the

**lines**cross in one point. The angles at which the

**two lines**intersect can vary.

## What is the symbol for parallel lines?

The

**symbol**// is used to denote**parallel lines**.## What are real life examples of parallel lines?

**Parallel line examples**in

**real life**are railroad tracks, the edges of sidewalks, marking on the streets, zebra crossing on the roads, the surface of pineapple and strawberry fruit, staircase and railings, etc.

## What is the best example of pair of lines that are parallel?

**Parallel Lines**

However, these two **lines** L and M, lying in the same plane are **parallel** if they do not meet anywhere, however far they are extended. Note that the distance between two **parallel lines** is the same everywhere. For **example** a railway track, opposite sides of a blackboard, two opposite edges of a door etc.

## How do you write parallel lines?

## Why do we use parallel lines?

**Parallel lines are**useful in understanding the relationships between paths of objects and

**sides**of various shapes. For example, squares, rectangles, and parallelograms

**have sides**across from each other that

**are parallel**. Each

**line**has many parallels.

## What are the angle relationships in parallel lines?

When the

**lines**are**parallel**, the corresponding**angles**are congruent . When two**lines**are cut by a transversal, the pairs of**angles**on one side of the transversal and inside the two**lines**are called the consecutive interior**angles**.## What are the 5 special angle relationship?

In Geometry, there are

**five**fundamental**angle**pair**relationships**: Complementary**Angles**. Supplementary**Angles**. Adjacent**Angles**.