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When is the product of the slopes of two perpendicular lines not equal to -1?
When the perpendicular lines are horizontal and vertical.
What is the symbol for perpendicular lines?
It is a vertical line touching a horizontal line
What is a pattern of horizontal and vertical lines that cross each other at right angles?
perpendicular lines
What are examples of horizontal lines in the real world?
Examples of horizontal lines in the real world include the horizon where the sky meets the land or sea, the straight line of a calm lake's surface, the boundary between the wall and floor in a room, and the straight line of a ruler placed flat on a table. Horizontal lines are parallel to the horizon and perpendicular to vertical lines.
Which shape has parallel lines but no perpendicular lines?
A rhombus has parallel lines but no perpendicular lines.
When is the product of the slopes of two perpendicular lines not equal to -1?
When the perpendicular lines are horizontal and vertical.
Can two horizontal lines be perpendicular to each other?
No.
Are all lines perpendicular to a horizontal plane vertical?
Yes.
What is the symbol for perpendicular lines?
It is a vertical line touching a horizontal line
What is a pattern of horizontal and vertical lines that cross each other at right angles?
perpendicular lines
Are lines of latitude perpendicular parallel or intersecting?
Lines of latitude are horizontal and run parallel to the poles
Are the perpendicular line segments of a letter the straight lines?
Not necessarily. The horizontal and diagonal lines are also straight lines.
What is the definition of a horizontal line?
Horizontal lines are straight curves that typically runs from left to right across the page, usually sharing the same y-coordinate. Horizontal lines are perpendicular to vertical lines.
Motion perpendicular to earth's surface is what kind of motion?
Motion Perpendicular to the ground is called horizontal motion.
Does an isosceles trapezium have any perpendicular lines?
In its normal orientation the parallel sides of a trapezium are horizontal. In that case it will have no perpendicular lines. But turn the figure through 90 degrees and it has two!In its normal orientation the parallel sides of a trapezium are horizontal. In that case it will have no perpendicular lines. But turn the figure through 90 degrees and it has two!In its normal orientation the parallel sides of a trapezium are horizontal. In that case it will have no perpendicular lines. But turn the figure through 90 degrees and it has two!In its normal orientation the parallel sides of a trapezium are horizontal. In that case it will have no perpendicular lines. But turn the figure through 90 degrees and it has two!
What is horizontal markings?
Horizontal markings are markings (such as painted or etched lines) that are horizontal (or parallel to the ground).
How many sets of perpendicular lines are in a right triangle?
There is only one set of perpendicular lines in a right triangle; the horizontal line and the vertical line that make it 90 degrees.
