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Two distinct points A and B are on a circle with center at O, and point P is outside the circle such that PA and PB are tangent to the circle. Find AB if PA = 15 and the radius of the circle is 9.

 Dec 7, 2021
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OP = sqrt(AP2 + AO2)

 

AB = 2[(AP * AO) / OP]

 Dec 7, 2021

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