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प्रश्न
State, which of the lines/line- segments are perpendicular to the line PQ:

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उत्तर
CD and MN are perpendicular to the line PQ. forming angle to 90°.
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संबंधित प्रश्न
State, whether the following pair of line or ray appear to be parallel or intersecting.

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points
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Concurrent lines always meet at the same point.
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A line passing through points A and B is represented as:
