Difference between revisions of "Two Tangent Theorem"
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The two tangent theorem states that given a circle, if P is any point lying outside the circle, and if A and B are points such that PA and PB are tangent to the circle, then PA = PB. | The two tangent theorem states that given a circle, if P is any point lying outside the circle, and if A and B are points such that PA and PB are tangent to the circle, then PA = PB. | ||
| − | <geogebra>4f007f927909b27106388aa6339add09df6868c6<geogebra> | + | <geogebra>4f007f927909b27106388aa6339add09df6868c6</geogebra> |
== Proofs == | == Proofs == | ||
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=== Proof 2 === | === Proof 2 === | ||
| − | From a simple application of the [[Power of a Point Theorem]], the result follows. | + | From a simple application of the [[Power of a Point Theorem(or Power Point Theorem)]], the result follows. |
==See Also== | ==See Also== | ||
Latest revision as of 03:06, 11 July 2025
The two tangent theorem states that given a circle, if P is any point lying outside the circle, and if A and B are points such that PA and PB are tangent to the circle, then PA = PB. <geogebra>4f007f927909b27106388aa6339add09df6868c6</geogebra>
Contents
Proofs
Proof 1
Since 
and 
are both right triangles with two equal sides, the third sides are both equal.
Proof 2
From a simple application of the Power of a Point Theorem(or Power Point Theorem), the result follows.
See Also
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