a line grazing it at just one point
a line in the plane of the circle which intersects the circle at one and only one point
a straight line touching the circle at only one point, the point of contact, or tangency, and is always perpendicular to the radius drawn to this point
a line, line segment, or ray that touches a circle at one point (cannot go within the circle).
A line in the plane of a circle that touches a circle in exactly one point. tessellation- A mosaic formed by repetitions of a single shape.
A line that is coplanar with the circle and intersects the circle in exactly one point.
A line in the plane of the circle that intersects the circle in exactly one point, called the point of tangency.