Understanding Perpendicularity in Geometry

Perpendicular means something that is at a right angle to another line or surface. In other words, if two lines or surfaces are perpendicular to each other, they form a 90-degree angle.

For example, if you draw a line on a piece of paper, and then draw another line that intersects the first line at a 90-degree angle, the two lines are perpendicular to each other.

In geometry, perpendicularity is an important concept used to describe the relationships between lines, planes, and angles. It is often used in problems involving right triangles, trigonometry, and other areas of mathematics.

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