Theorem 53

Let l be a line that contains a point T of a circle C with center O. Then l is tangent to C if and only if and only if the radius OT is perpendicular to T.

 

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Resource Type
Activity
Tags
lines  tangent 
Target Group (Age)
14 – 18
Language
English (United States)
 
 
GeoGebra version
4.2
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