Day three: The tangent line of a Circle

by Nami Youn


Objective

to understand the properties of the tangent of a circle


1. Perpendicular


 

Property : Any tangent line to a circle is perpendicular to the radius drawn to the point of tangency.
 
 


Gsp file


2. The length of tangent line

Property : Tangent segments to a circle from a point outside the circle are equal in length..
 
 








Gsp file



 
 
 
 
 
 
 



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