A tangent line touches the circumference of a circle exactly at one point.
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A tangent line touches the circumference of a circle at just one point but it does not intersect the circle.
If a line intersects a circle at exactly one point, it is a tangent to that circle
Definition: a tangent is a line that intersects a circle at exactly one point, the point of intersection is the point of contact or the point of tangency. a tangent is a line that intersects a circle at exactly one point, the point of intersection is the (point of contact) or the **point of tangency**.
tangent
That's a tangent.