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How many pairs of parallel lines are there in a regular pentagon?

How many pairs of parallel lines are there in a regular pentagon? Correct Answer 0

Pentagon is a closed figure which has five sides, five corners. Given is regular pentagon which means it has equal interior angles and equal side lengths. Since five is odd number so, there exists angles 36o, 72o, 108o, 144o, 180o with sides to horizontal.

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