Which of the diagrams shows perpendicular lines?
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Which of the diagrams shows perpendicular lines?
Let's remember that perpendicular lines form a 90-degree angle between them.
To check if the lines form a 90-degree angle, for each of the drawings a T is drawn at the intersecting point of the lines.
Let's examine figure A:
Note that the lines do not form a right angle.
Let's examine figure B:
We notice that the lines form a 90-degree angle and therefore are perpendicular.
Let's examine figure C:
Note that the lines do not form a right angle.
Let's examine figure D:
Note that the lines do not form a right angle.
What do the four figures have in common?
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