Assuming all angles present are right angles, does the figure contain 6 pairs of parallel lines?
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Assuming all angles present are right angles, does the figure contain 6 pairs of parallel lines?
Let's remember that parallel lines are two straight lines that lie in the same plane and never intersect (do not cross).
Let's draw all the right angles in the drawing, and extend the lines to create parallel lines, as follows:
We saw that we marked 8 right angles in the drawing, now let's mark each pair of parallel lines:
Note that in the drawing we marked 6 pairs of parallel lines.
Yes
What do the four figures below have in common?
Parallel lines run in the same direction and never meet. In this cross pattern, look for lines that go horizontally (left-right) and vertically (up-down) - these form your parallel pairs.
The figure only shows segments, but parallel lines are infinite! By extending through the right angles, you can see the complete lines and identify all parallel pairs.
Right angles guarantee that horizontal and vertical lines are perpendicular to each other. Without right angles, you'd need to measure angles or use other methods to identify parallel lines.
First, identify all horizontal lines and count pairs. Then identify all vertical lines and count pairs. For this figure: 3 horizontal lines give 3 pairs, 3 vertical lines give 3 pairs, totaling 6 pairs.
No! In this figure, the lines only run horizontally and vertically. There are no diagonal lines, so you only need to consider horizontal and vertical parallel pairs.
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