Which of the figures show perpendicular lines?
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Which of the figures show perpendicular lines?
Perpendicular lines are lines that form a right angle of 90 degrees between them.
It can be observed that in figures 1 and 3, the angles formed by the lines between them are right angles of 90 degrees.
1 and 3
Determine which lines are parallel to one another?
Look for visual clues like square corner symbols (⊥) or lines that form perfect T-shapes or plus signs (+). In this problem, figures 1 and 3 clearly show these right-angle indicators.
All perpendicular lines intersect, but not all intersecting lines are perpendicular! Perpendicular lines must meet at exactly , while intersecting lines can meet at any angle.
In figure 2, the lines cross at acute and obtuse angles, not 90°. In figure 4, the lines meet at an angle that's clearly not a right angle - they form a slanted intersection.
No! Perpendicular lines can be any length. What matters is that they meet at exactly . Even a short line can be perpendicular to a long line.
Yes! Think of a coordinate grid - it has many perpendicular lines. Any line that meets another at is perpendicular to it, regardless of how many other lines are present.
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