The distance from point A to the center O of the circle is 3 cm. The radius of the circle is 5 cm. Prove that any line passing through point A intersects a circle.
Since the distance from point O to point A (3 cm) is less than the radius (5 cm) of the circle, then point A is “inside” the circle and any straight line passing through point A and continuing (to infinity) crosses these “boundaries” , that is, it intersects the circle.
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