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A perpendicular line intersects another line at 90 degrees.
A perpendicular line is one which intersects another line at 90 degrees (or at right angles).
A vertical line at 90 degrees
A perpendicular line.
Perpendicular lines meet at 90 degrees
A perpendicular line is 90 degrees. Anything less or more is not perpendicular.
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A line that is at 90 degrees to another line is called a perpendicular line. Perpendicular lines intersect at right angles (90 degrees) forming a "L" shape.
A perpendicular line intersects another line at 90 degrees.
A perpendicular line is one which intersects another line at 90 degrees (or at right angles).
'altitude' or perpendicular. If on line is the base (horizontal) line, then the line that is a 90 degrees to it is the perpendicular/altitude.
It is a perpendicular line that intercepts another line at 90 degrees.
A vertical line at 90 degrees
A perpendicular bisector is a line that cuts through another line at 90 degrees
Perpendicular line segments are line segments that cross with each other and form angles of 90 degrees.
There is only one set of perpendicular lines in a right triangle; the horizontal line and the vertical line that make it 90 degrees.