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just see if its a right angle

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βˆ™ 12y ago
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Q: How can you be certain lines are perpendicular?
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Related questions

Does perpendicular have parallel lines?

= parallel + perpendicular As such no, perpendicular lines do not naturally have parallel lines. However...connect the lines in the symbols below. ++ ++ And you'll have 4 perpendicular lines, and 4 parallel lines.


What is similar about perpendicular lines and intersecting lines?

Perpendicular lines intersect.


Does an equilateral have parallel lines or perpendicular lines?

PERPENDICULAR


How do examples of perpendicular lines look?

These lines are perpendicular: _|


What are non-perpendicular lines?

Lines that aren't perpendicular


Does a rectangle have perpendicular lines and parallel lines?

perpendicular.


Which pair of lines is perpendicular?

Lines that intersect at 90 degrees are perpendicular lines


Will perpendicular lines ever meet?

By definition, perpendicular lines are those which meet in a right angle. So, yes, they have to meet in order to be "perpendicular". Parallel lines may, or may not, meet, depending on how you choose your axioms. In Euclidean geometry, parallel lines never meet. In certain types of non-Euclidean geometry, they can meet.


Which shape has parallel lines but no perpendicular lines?

A rhombus has parallel lines but no perpendicular lines.


Does a cube have perpendicular lines?

I believe they do, and they have 2 perpendicular lines.


How many perpendicular lines do octagons have?

Octagons have no perpendicular lines.


Can two lines be parellel perpendicular and intersecting at the same time?

No. If the lines are parallel they will never meet or intersect at any point. If the lines are perpendicular they do intersect, but perpendicular lines are a special case of intersecting lines. Perpendicular lines are exactly 90 degrees from each other. Intersecting lines do not haveto be perpendicular... but perpendicular lines are always intersecting.