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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