# is perpendicular to . how many 90° angles are formed by the intersection?

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## [Solved] ABis perpendicular to CD.How many 90angles are formed by the intersection?

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## AB is perpendicular to CD . How many 90° angles are formed by the intersection?

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## How is AB is perpendicular to CD How many 90 and deg angles are formed by the intersection?

If AB is a perpendicular bisector of CD then four 90 degreee angles are formed.

Subjects > Math > Geometry

## How is AB is perpendicular to CD How many 90 and deg angles are formed by the intersection?

Wiki User ∙ 4y ago Best Answer Copy

If AB is a perpendicular bisector of CD then four 90 degreee angles are formed.

Wiki User ∙ 4y ago This answer is: Study guides Science 20 cards

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There are four of them.

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### How many right angles are formed when three perpendicular lines intersect?

Being 'perpendicular' would require the lines to be at 'right angles' to each other... So, if working in a 2-dimensional setting, the joining of 3 perpendicular lines would not be possible. If working in a 3-dimensional setting, the answer would be 12. Four from the intersection of the 1st and 2nd lines, four from where the 3rd line intersects initially, and four from where the 3rd line leaves the intersection.

People also asked

## Line that are perpendicular (intersect at 90 degrees) have slopes that are called what?

Answer (1 of 2): Perpendicular lines have slopes that “negative reciprocals” of each other. Given a line y = mx + b… the perpendicular will be y = (-1/m)x + c Remember: slope ‘m’ is the same as tan(θ) [θ is angle of the line with x-axis], and tan(θ + 90º) = -cot(θ) = -1 / tan(θ)

Line that are perpendicular (intersect at 90 degrees) have slopes that are called what?

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Sort Diane Toler

Studied Mathematics at West Chester University of Pennsylvania (Graduated 2022)Author has 155 answers and 40.4K answer views1y

I am not sure of what you are asking. If you mean to ask what is the relationship between the slopes of perpendicular lines, then

if a line has a slope of x, then its perpendicular has a slope of -1/x, that is, the perpendicular slope is the negative reciprocal of the original line.

If a line has a slope of 3, then the perpendicular slope is -1/3.

In the special case of a horizontal line, one parallel to the x axis, then its slope = 0, and its perpendicular, which is a vertical line parallel to the y axis, has

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What do you call the consecutive lines that are perpendicular (intersect at 90 degrees) have slopes?

When 2 lines intersect, are they perpendicular?

How are perpendicular and intersecting lines different?

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Philip Lloyd

Specialist Calculus Teacher, Motivator and Baroque Trumpet Soloist.Author has 4.4K answers and 22.3M answer views2y

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How do you determine if two lines are perpendicular?

Originally Answered: How do you know if a line is perpendicular?

A single line cannot be perpendicular.

Incidentally, “perpendicular” does not mean “vertical” like this…

TWO lines can be perpendicular if they are at 90 degrees to each other.

These pairs of lines are perpendicular…

… (more)

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Michael Grady

Software EngineerAuthor has 612 answers and 366.8K answer views1y

Perpendicular lines have slopes that “negative reciprocals” of each other.

Given a line y = mx + b… the perpendicular will be y = (-1/m)x + c

Remember: slope ‘m’ is the same as tan(θ) [θ is angle of the line with x-axis], and tan(θ + 90º) = -cot(θ) = -1 / tan(θ)

Diane Toler

Studied Mathematics at West Chester University of Pennsylvania (Graduated 2022)Author has 155 answers and 40.4K answer views1y

Related

What do you call the consecutive lines that are perpendicular (intersect at 90 degrees) have slopes?

I am not sure of what you are asking. If you mean to ask what is the relationship between the slopes of perpendicular lines, then

if a line has a slope of x, then its perpendicular has a slope of -1/x, that is, the perpendicular slope is the negative reciprocal of the original line.

If a line has a slope of 3, then the perpendicular slope is -1/3.

In the special case of a horizontal line, one parallel to the x axis, then its slope = 0, and its perpendicular, which is a vertical line parallel to the y axis, has no slope.

Ted Hobson Mar 6 Related

Can one line be perpendicular to two other lines that intersect?

Not in the same plane, but in 3-D space, yes. For example, the x-axis is perpendicular to the y-axis and z-axis, and they all intersect at the origin.

Josh Taylor

Worked at Vodafone (company)5y

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What happens when two perpendicular lines intersect?

You get a right angle.

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What is a line perpendicular to a reflecting surface called?

When dealing with reflection (or refraction) of light the line perpendicular to the reflecting surface is called the normal.

Allen Ries

Math Major University of AlbertaAuthor has 15K answers and 3.5M answer views1y

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How are perpendicular and intersecting lines different?

Intersecting lines ‘cross’ each other at some point.

perpendicular lines intersect each other at 90°; making perpendicular lines a subset of the intersecting lines.

Henjamin Leeker

Professional Quora Shitposter at Nike (company) (2008–present)2y

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Can 2 lines with negative slopes be perpendicular?

no, lines with perpendicular slopes must be negative reciprocals, of each other, so one will be positive. The only possible scenario which it might be considered possible would be with a horizontal and vertical line, as a slope of 0 could be considered -0, and 1/0 can basically be anything if you use enough shady algebra…

Mitchell Schoenbrun

MS in Mathematics, San Francisco State University (SFSU) (Graduated 2005)Author has 3K answers and 1.4M answer viewsApr 11

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How do I solve perpendicular lines?

Originally Answered: How do I find a perpendicular line?

If you are doing a construction, the usual way is to pick two points on your line, set a compass to have a distance about the distance between the two points. Draw two circles which will intersect in two points. Draw a line connecting those two points. It will be perpendicular.

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