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Earn +20 ptsQ: How do you know if two lines are perpendicular?
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What is parallel perpendicular lines look like?
As far as we know, two lines can be perpendicular, or they can be parallel, but they can't be both.
Draw two intersecting lines but not perpendicular?
draw two intersecting lines that are not perpendicular
How do you use slope to determine if two lines are perpendicular?
You have to know the slopes of both lines. -- Take the two slopes. -- The lines are perpendicular if (one slope) = -1/(the other slope), or the product of the slopes equals to -1.
How many perpendicular lines in a oblong?
Each of the four lines is perpendicular - to two of the other lines.
What are the lines called that are perpendicular to a parallel line?
'two perpendicular number lines are called'Special:Search
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