Question

6. What do you say about the line which is
perpendicular to the radius of the circle
through the point of contact? CBSE 2011​

Answer 1

Answer:

There are a lot of lines that are perpendicular to the radius, but if it is perpendicular to the radius or diameter at the point of tangency, then it is a tangent line. The video states that the radius and a tangent line will always be perpendicular, not that any line perpendicular to the radius is a tangent line.

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Answer 2

answer below

There are a lot of lines that are perpendicular to the radius, but if it is perpendicular to the radius or diameter at the point of tangency, then it is a tangent line. The video states that the radius and a tangent line will always be perpendicular, not that any line perpendicular to the radius is a tangent line.