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  1. Dictionary
    perpendicular
    /ˌpəːp(ə)nˈdɪkjʊlə/

    adjective

    • 1. at an angle of 90° to a given line, plane, or surface or to the ground: "dormers and gables that extend perpendicular to the main roofline" Similar at right anglesat 90 degreessquare
    • 2. denoting the latest stage of English Gothic church architecture, prevalent from the late 14th to mid 16th centuries and characterized by broad arches, elaborate fan vaulting, and large windows with vertical tracery: "the handsome Perpendicular church of St Andrew"

    noun

    • 1. a straight line at an angle of 90° to a given line, plane, or surface: "at each division draw a perpendicular representing the surface line"

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  2. en.wikipedia.org › wiki › Cross_productCross product - Wikipedia

    3 days ago · The cross product a × b is defined as a vector c that is perpendicular (orthogonal) to both a and b, with a direction given by the right-hand rule and a magnitude equal to the area of the parallelogram that the vectors span. The cross product is defined by the formula

  3. mathsquery.com › geometry › fundamentalsPoint, Line, Ray, Line Segment and Plane - Maths Query

    Jun 30, 2024 · This chapter discusses the definitions and examples of point, line, ray, line segment and a plane. How two or more than two lines can make when meet at some point for example intersecting lines, perpendicular lines, parallel lines, transversal lines and concurrent lines with the help of diagrams.

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  5. www.vocabulary.com › dictionary › perpendicularlyPerpendicularly - Definition, Meaning & Synonyms | Vocabulary.com

    Jul 7, 2024 · Definitions of perpendicularly. adverb. in a perpendicular manner. “this red line runs perpendicularly to the green line”. adverb. straight up or down without a break. synonyms: sheer.

  6. www.nagwa.com › en › explainersLesson Explainer: Geometric Constructions: Perpendicular Lines

    The shortest distance between a line and a point is the perpendicular distance. In this explainer, we will learn how to construct, using a ruler and a pair of compasses, the perpendicular to a given line from or at a given point and the perpendicular bisector of a line segment.

  7. en.wikipedia.org › wiki › Moment_of_inertiaMoment of inertia - Wikipedia

    4 days ago · This simple formula generalizes to define moment of inertia for an arbitrarily shaped body as the sum of all the elemental point masses dm each multiplied by the square of its perpendicular distance r to an axis k.

  8. www.nagwa.com › en › explainersLesson Explainer: Equations of Parallel and Perpendicular Lines

    Jul 9, 2024 · If two lines are perpendicular, then 𝑚 = − 1 𝑚 , which means that the two slopes must have the opposite sign to each other. Consequently, if 𝑚 is positive, then 𝑚 must be negative, and vice versa.

  9. quizlet.com › 581243994 › geometry-a-unit-1-foundations-ofgeometry a - unit 1: foundations of geometry lessons 1-5 -...

    perpendicular lines are two lines that intersect to form four congruent right angles.