Thursday 18 December 2014

How to construct a Tangent to a Circle at a Point on it?

Understand the construction of a Tangent to a Circle at a Point on it. Click on the link to Watch the VIDEO explanation:Watch Video 


Construction of a Tangent to a Circle at a Point on it. 
Given : A circle with centre O and a point A on it. 
To construct a tangent at A to the circle. 
Steps of Constructions 
Join AO. 
Draw CAT perpendicular to OA i.e., construct angle OAT is equal to 90 degrees and TA to C. 
Therefore, CAT is the required tangent.

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