Prove that the tangents to a circle at the end points of a diameter are parallel.​

Prove that the tangents to a circle at the end points of a diameter are parallel.​

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2 thoughts on “Prove that the tangents to a circle at the end points of a diameter are parallel.​”

  1. Answer:

    Let AB be a diameter of the circle. Two tangents PQ and RS are drawn at points A and B respectively. Radius drawn to these tangents will be perpendicular to the tangents. Since alternate interior angles are equal, lines PQ and RS will be parallel.

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