perpendicular to
whole numbers and their opposites
When talking about perpendicular lines and angles, we are referring to two lines that intersect at a right angle (90 degrees). In order for two lines to be perpendicular, they must be straight and intersect at a right angle. This means that both lines must appear to form the letter L at their intersection point.
It is also important to note that the slopes of two lines that are perpendicular are negative reciprocals of each other. So, if one line has a slope of 2/3, the line perpendicular to it would have a slope of -3/2.
When working with perpendicular lines in geometry or trigonometry, it is important to keep this definition in mind and be able to identify when two lines are perpendicular. This knowledge can be applied in various ways, such as finding the angle between two lines or determining the orientation of an object.
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