MetaGlossary.com: Perpendicular Lines

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Keywords: Intersect, Angle, Slopes, Reciprocals, Plane

Related Terms: Angle, Axis , Coplanar, Cosine, Cotangent, Diagonal, Dip, Hypotenuse, Normal, Oblique, Orthogonal, Perpendicular, Rectangular, Rectilinear, Sine, Skew, Slant, Subtend, Transversal, Transverse, Vertical, Tangent, Dihedral Angle, X-Axis, Acute Triangle, Inscribed Angle, Orthogonality, Right Triangle, Obtuse Angle, Perpendicularity, Right Angle, Horizontal Line, Horizontal Plane, Vertical Angles, Axis Of Symmetry, Trigonometric Functions, Vertical Line, Alternate Interior Angles, Corresponding Angles, Obtuse Triangle, Plunge, Straight Angle, Central Angle, Axes, Skew Lines, Perpendicular Bisector, Altitude Of A Triangle, Vertical Plane, Tilt Angle, Angle Bisector

Two lines are perpendicular if they meet at a right angle.

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Two lines which intersect to form right angles. (e.g.)

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have slopes related by

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lines that form right angles where they intersect.

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Two lines, segments or rays that intersect to form right angles.

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(n) Two or more lines that intersect once at a right angle (90 degrees), sometimes referred to as normal.

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lines that lie on the same plane that intersect to form right angles (90 degrees). For example, lines and are perpendicular lines.

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Lines with slopes that are negative reciprocals.

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two lines that intersect at right angles.

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Lines in the same plane that meet at 90 degrees. The slopes of perpendicular lines are negative reciprocals of one another. (m1)(m2)= -1

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Two lines that intersect to form a right angle (Lesson 2.4).

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