Construction of tanget to a circle and its properties
From Karnataka Open Educational Resources
Objectives
Estimated Time
Prerequisites/Instructions, prior preparations, if any
Materials/ Resources needed
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Process (How to do the activity)
Download this geogebra file from this link.
Procedure:
Move slider or point P to verify the properties:-
Length of tangents from an external points are equal.
Length of tangent PQ
Length of tangent PR
Sum of the angle at the centre of circle and at external point is supplementary.
Sum of opposite angles=
Evaluation at the end of the activity
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