perpendicular

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Related to Perpendicular Lines: Parallel Lines

perpendicular

1. at right angles to a horizontal plane
2. denoting, relating to, or having the style of Gothic architecture used in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting
3. Geometry a line or plane perpendicular to another
4. any instrument used for indicating the vertical line through a given point
5. Mountaineering a nearly vertical face
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Perpendicular

Line or plane that meets another at right angles.

perpendicular

[¦pər·pən¦dik·yə·lər]
(mathematics)
Geometric objects are perpendicular if they intersect in an angle of 90°.
References in periodicals archive ?
It will project a pair of perpendicular lines (Photo 3).
Intersect perpendicular line b with circle c to get intersection point C.
Where four lines meet at the vertices, we cannot have four mutually perpendicular lines in our three-dimensional world, and so some of them have to cheat by sloping off at an angle other than 90[degrees].
The perpendicular lines to the polygon sides facilitate comparison between neighboring vertex genotypes.
Burbank Airport appears as two dark perpendicular lines on the right side, and the Los Angeles Reservoir is at the top, against the Santa Susanas.
Draw perpendicular lines from points A and B to the sheet hem.
The base line was established with a strike of 330 degrees and perpendicular lines were cut at 100 m spacing over a total strike length of 1,8 km along the main trend.
More-expensive lasers project perpendicular lines on the floor that you can use to plan floor layouts.
The gradients of all perpendicular lines have a product of -1.
Without the straightedge it is still easy via the agency of two perpendicular lines.
Thus, the perpendicular lines divide the entries into groups.
Find the center of lines 1 and 2, and, with a framing square, draw perpendicular lines (lines 3 and 4) across the circle.