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How many pairs of parallel lines are there in the following figure?
"
Given a square inside another bigger square and two intersecting lines dividing the squares into four congruent small squares each.
To find the number of pairs of parallel lines in the figure above
Solution:
There are 12 pairs of parallel lines in the given figure above
4 pairs -- sides of big square and sides of small square
4 pairs--- sides of big square and the two intersecting lines at centre.
4 pairs--- sides of small square and the two intersecting lines at centre
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