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Normal
The math word 'normal' means to be at right angles, or meeting at 90° In the figure below the line JK is normal to AB.
The usual way of saying this is that JK is
perpendicular to AB.
Pages referring to 'normal'Perpendicular definition: Perpendicular simply means 'at right angles'. A line is perpendicular to another if they meet at 90 degrees.
Perpendicular definition: Perpendicular simply means 'at right angles'. A line is perpendicular to another if they meet at 90 degrees.
Perpendicular definition: Perpendicular simply means 'at right angles'. A line is perpendicular to another if they meet at 90 degrees.
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