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Mathematics 20 Online
OpenStudy (anonymous):

A line that intersects the radius of a circle at a point on the circle and is perpendicular to the radius is known as a tangent. True or false?

OpenStudy (anonymous):

True

OpenStudy (nottim):

Should explain why.

OpenStudy (anonymous):

Definition of a tangent is that it makes a right angle with the line connecting to the center. Google search will provide a lot more information than I can here.

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