Question

defination of common tangent​

Answer 1

Answer:

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A tangent to a circle is defined as a line that passes through exactly one point on a circle, and is perpendicular to a line passing through the center of the circle. A line that is tangent to more than one circle is referred to as a common tangent of both circles.

A common tangent can be further divided into internal and external common tangents; the difference being that internal common tangents pass through the line segment joining the centers of the two circles and external common tangents do not.

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